881 lines
17 KiB
Plaintext
881 lines
17 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "d32905fd-8062-49a1-a284-efbfbc48d00b",
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"metadata": {},
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"source": [
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"# 3. Vorlesung"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "52207bf8-c854-4249-a011-741cc6f57283",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1\n",
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"2\n",
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"3\n"
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]
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}
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],
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"source": [
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"count = 1\n",
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"while count < 4:\n",
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" print(count)\n",
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" count += 1 "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "cfc37791-5b75-4c51-ae76-a21f306821e0",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1\n",
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"2\n",
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"3\n"
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]
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}
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],
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"source": [
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"for count in [1, 2, 3]:\n",
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" print(count)"
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]
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},
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{
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"cell_type": "markdown",
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"id": "daaa7cbe-0cb7-45c9-89a8-241561908db2",
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"metadata": {},
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"source": [
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"```C\n",
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"for (int i = 0; i < 4, i++) {}\n",
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"```"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"id": "3e461857-f366-46f8-ad51-9800348b4521",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1\n",
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"3\n"
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]
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}
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],
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"source": [
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"for count in range(1,4,2):\n",
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" print(count)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"id": "4f4d9b6c-c262-45a0-ab7a-ac8d3f13d110",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[0, 1, 2, 3, 4]"
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]
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},
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"execution_count": 8,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"l = [0, 1, 2, 3, 4]\n",
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"l"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"id": "fbcb9b7d-2850-41fe-82a5-09ad75191329",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"1\n",
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"2\n",
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"3\n",
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"4\n"
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]
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}
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],
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"source": [
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"for el in l:\n",
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" print(el)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"id": "c1cb9b0a-170c-4b45-b329-e28b0f8ee818",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"5"
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]
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},
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"execution_count": 10,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"len(l)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"id": "f595c1f5-4945-4ee4-89e7-cde25d2a7e41",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"1\n",
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"2\n",
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"3\n",
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"4\n"
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]
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}
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],
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"source": [
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"for i in range(len(l)):\n",
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" print(i)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"id": "6902e5e5-0a49-4bce-a03a-f4c4d812ffa7",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"1\n",
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"2\n",
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"3\n",
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"4\n"
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]
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}
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],
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"source": [
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"for i in range(len(l)):\n",
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" print(l[i])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"id": "4e2f0c81-894d-424d-848f-3e7cc36bd70b",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Hello\n",
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"Hello\n",
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"Hello\n",
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"Hello\n",
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"Hello\n",
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"Hello\n"
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]
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}
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],
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"source": [
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"for _ in range(6):\n",
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" print(\"Hello\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"id": "e1fbf047-ed8c-4a27-9729-6b05ed55140a",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"{'a': 5, 'b': 8, 'c': 10}"
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]
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},
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"execution_count": 16,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"d = {\"a\": 5, \"b\": 8, \"c\": 10}\n",
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"d"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 17,
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"id": "faf3bea9-a308-4317-8a5d-ba4281a86671",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"dict_values([5, 8, 10])"
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]
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},
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"execution_count": 17,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"d.values()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 18,
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"id": "52262d79-76d2-4bf4-8f06-8ed55dcff7cc",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Wert: 5\n",
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"Wert: 8\n",
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"Wert: 10\n"
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]
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}
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],
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"source": [
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"for el in d.values():\n",
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" print(f\"Wert: {el}\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 20,
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"id": "280eb1d9-bfe8-4715-a54a-4b40ef542618",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Key: a\n",
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"Key: b\n",
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"Key: c\n"
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]
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}
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],
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"source": [
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"for key in d.keys():\n",
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" print(f\"Key: {key}\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 21,
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"id": "7a0fde62-9fa8-4089-b257-d2a2263b2b0d",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Key: a mit Wert: 5\n",
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"Key: b mit Wert: 8\n",
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"Key: c mit Wert: 10\n"
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]
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}
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],
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"source": [
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"for k, v in d.items():\n",
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" print(f\"Key: {k} mit Wert: {v}\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 22,
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"id": "dc988e8a-135d-483f-9ae0-d20cc861c558",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[0, 1, 4, 9, 16, 25]"
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]
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},
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"execution_count": 22,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"squared = []\n",
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"for i in range(6):\n",
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" squared.append(i*i)\n",
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"squared"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 23,
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"id": "94f148fb-a1f3-4bd9-82b0-baa3ad0b9d35",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[0, 1, 4, 9, 16, 25]"
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]
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},
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"execution_count": 23,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"sq = [n**2 for n in range(6)]\n",
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"sq"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 25,
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"id": "3e6d5db7-3cc1-4b21-9ad0-4d3402b4765b",
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"metadata": {},
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"outputs": [
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|
{
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"data": {
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"text/plain": [
|
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"{0: 0, 1: 1, 2: 4, 3: 9, 4: 16, 5: 25}"
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]
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},
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"execution_count": 25,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"di = {}\n",
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"for n in range(6):\n",
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" di[n] = n**2\n",
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"di"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 26,
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"id": "6bd693d3-8e27-48c2-9fe4-8ecafb98b181",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
|
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"{0: 0, 1: 1, 2: 4, 3: 9, 4: 16, 5: 25}"
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]
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},
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"execution_count": 26,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"dic = {n: n**2 for n in range(6)}\n",
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"dic"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 27,
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"id": "af2dfb75-e7b5-40c9-804f-d1c8fca9d6e0",
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 4\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"'4'"
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]
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},
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"execution_count": 27,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"input()"
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]
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},
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{
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"cell_type": "code",
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|
"execution_count": 28,
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"id": "43939109-c7e5-4583-8a8d-bc12c03163e6",
|
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 6\n"
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]
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}
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],
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"source": [
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"text = input()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 29,
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|
"id": "d023c299-89a4-4c13-8c6e-aae4feae9004",
|
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"metadata": {},
|
|
"outputs": [
|
|
{
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"data": {
|
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"text/plain": [
|
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"'6'"
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]
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},
|
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"execution_count": 29,
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"metadata": {},
|
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"output_type": "execute_result"
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}
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],
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"source": [
|
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"text"
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]
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},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 30,
|
|
"id": "c6e009bc-954d-4bc6-81eb-98efbc82024a",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
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"name": "stdin",
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"output_type": "stream",
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"text": [
|
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"Gebe bitte eine Zahl ein: 7\n"
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]
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},
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{
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"data": {
|
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"text/plain": [
|
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"'7'"
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]
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},
|
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"execution_count": 30,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
|
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"input(\"Gebe bitte eine Zahl ein:\")"
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]
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},
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{
|
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"cell_type": "code",
|
|
"execution_count": 34,
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|
"id": "d47d956b-f131-4c4c-acad-4adc5ff1508e",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"<_io.TextIOWrapper name='test.txt' mode='r' encoding='UTF-8'>"
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]
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},
|
|
"execution_count": 34,
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"metadata": {},
|
|
"output_type": "execute_result"
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|
}
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],
|
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"source": [
|
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"f = open('test.txt')\n",
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"f"
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]
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},
|
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{
|
|
"cell_type": "code",
|
|
"execution_count": 35,
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|
"id": "4d38875a-18f9-4ad6-991b-fc61ea1dd08a",
|
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"metadata": {},
|
|
"outputs": [
|
|
{
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"data": {
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|
"text/plain": [
|
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"['Super Secret Message\\n', 'Hallo Welt\\n', 'Geiler Kurs\\n', 'Freitag 15h yeah']"
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]
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|
},
|
|
"execution_count": 35,
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|
"metadata": {},
|
|
"output_type": "execute_result"
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}
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],
|
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"source": [
|
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"f.readlines()"
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]
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},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 39,
|
|
"id": "1c0610b1-b6c2-430f-94c0-e50def936b16",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"<_io.TextIOWrapper name='data.txt' mode='w' encoding='UTF-8'>"
|
|
]
|
|
},
|
|
"execution_count": 39,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
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|
}
|
|
],
|
|
"source": [
|
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"data = open('data.txt', 'w')\n",
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"data"
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]
|
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},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 40,
|
|
"id": "1b74ffb0-487a-4ec7-9ed1-3e51b5c76450",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
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"text/plain": [
|
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"18"
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]
|
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},
|
|
"execution_count": 40,
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|
"metadata": {},
|
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"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"data.write(\"Ich will nachhause\")"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 41,
|
|
"id": "f831efc1-b548-4a49-bbed-62c8018ecdfe",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"f.close()\n",
|
|
"data.close()"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 42,
|
|
"id": "4580acb8-cc79-440c-a463-140547883ded",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"['Super Secret Message\\n', 'Hallo Welt\\n', 'Geiler Kurs\\n', 'Freitag 15h yeah']\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"f = open('test.txt')\n",
|
|
"print(f.readlines())\n",
|
|
"f.close()"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 44,
|
|
"id": "50f35e0c-5138-478c-abe9-dae163c467a4",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"ename": "ValueError",
|
|
"evalue": "I/O operation on closed file.",
|
|
"output_type": "error",
|
|
"traceback": [
|
|
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
|
"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
|
|
"Cell \u001b[0;32mIn[44], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43mf\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mreadlines\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
|
|
"\u001b[0;31mValueError\u001b[0m: I/O operation on closed file."
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"f.readlines()"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 45,
|
|
"id": "999e5179-4d96-4b8b-bec6-3f8b0a857291",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"['Super Secret Message\\n', 'Hallo Welt\\n', 'Geiler Kurs\\n', 'Freitag 15h yeah']\n"
|
|
]
|
|
},
|
|
{
|
|
"ename": "ValueError",
|
|
"evalue": "I/O operation on closed file.",
|
|
"output_type": "error",
|
|
"traceback": [
|
|
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
|
"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
|
|
"Cell \u001b[0;32mIn[45], line 3\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[38;5;28;01mwith\u001b[39;00m \u001b[38;5;28mopen\u001b[39m(\u001b[38;5;124m'\u001b[39m\u001b[38;5;124mtest.txt\u001b[39m\u001b[38;5;124m'\u001b[39m, \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mr\u001b[39m\u001b[38;5;124m'\u001b[39m) \u001b[38;5;28;01mas\u001b[39;00m f:\n\u001b[1;32m 2\u001b[0m \u001b[38;5;28mprint\u001b[39m(f\u001b[38;5;241m.\u001b[39mreadlines())\n\u001b[0;32m----> 3\u001b[0m \u001b[43mf\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mreadlines\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
|
|
"\u001b[0;31mValueError\u001b[0m: I/O operation on closed file."
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"with open('test.txt', 'r') as f:\n",
|
|
" print(f.readlines())\n",
|
|
"f.readlines()"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 46,
|
|
"id": "f92c73ed-c02b-4142-ac27-25f22caaa199",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"import math"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 47,
|
|
"id": "a911de4f-f9c9-4098-8369-d4f97efab684",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"<module 'math' from '/usr/local/Cellar/python@3.12/3.12.5/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/math.cpython-312-darwin.so'>"
|
|
]
|
|
},
|
|
"execution_count": 47,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"math"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 48,
|
|
"id": "7513811c-18e9-4cab-9edf-8f383be21027",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"3.141592653589793"
|
|
]
|
|
},
|
|
"execution_count": 48,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"math.pi"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 49,
|
|
"id": "254a6fab-a259-4379-a3e3-8f11560b87d7",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"3.1622776601683795"
|
|
]
|
|
},
|
|
"execution_count": 49,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"math.sqrt(10)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 50,
|
|
"id": "15c63d11-6da3-4c44-a579-16a2f6cbe499",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"2.0"
|
|
]
|
|
},
|
|
"execution_count": 50,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"math.sqrt(4)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 51,
|
|
"id": "c4c97328-95dd-4e6b-bc9c-857ee5d04e25",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"from math import sqrt"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 52,
|
|
"id": "5d5a0a0d-bb66-49ad-bcee-2656afc7af47",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"9.486832980505138"
|
|
]
|
|
},
|
|
"execution_count": 52,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"sqrt(90)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "b83a73fe-8f6e-4b22-97bc-c9016206a6bd",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"from math import *"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 53,
|
|
"id": "d1568734-9077-4444-9c0e-5dbf385dc46a",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"import numpy as np"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 54,
|
|
"id": "718bb6e9-1cda-438d-909a-b51064471d0a",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"np.float64(94.86832980505137)"
|
|
]
|
|
},
|
|
"execution_count": 54,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"np.sqrt(9000)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "806082c4-61fc-4345-bd85-aa4deec1414a",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
}
|
|
],
|
|
"metadata": {
|
|
"kernelspec": {
|
|
"display_name": "Python 3 (ipykernel)",
|
|
"language": "python",
|
|
"name": "python3"
|
|
},
|
|
"language_info": {
|
|
"codemirror_mode": {
|
|
"name": "ipython",
|
|
"version": 3
|
|
},
|
|
"file_extension": ".py",
|
|
"mimetype": "text/x-python",
|
|
"name": "python",
|
|
"nbconvert_exporter": "python",
|
|
"pygments_lexer": "ipython3",
|
|
"version": "3.12.5"
|
|
}
|
|
},
|
|
"nbformat": 4,
|
|
"nbformat_minor": 5
|
|
}
|