#ContentsToC = { '1. Collections': [List, Dictionary, Set, Tuple, Range, Enumerate, Iterator, Generator], '2. Types': [Type, String, Regular_Exp, Format, Numbers, Combinatorics, Datetime], '3. Syntax': [Args, Inline, Import, Decorator, Class, Duck_Types, Enum, Exception], '4. System': [Exit, Print, Input, Command_Line_Arguments, Open, Path, OS_Commands], '5. Data': [JSON, Pickle, CSV, SQLite, Byte
![Comprehensive Python Cheatsheet](https://cdn-ak-scissors.b.st-hatena.com/image/square/0d29897e33eaa0376e740452d1dd63b3c00f1b9b/height=288;version=1;width=512/https%3A%2F%2Fgto76.github.io%2Fpython-cheatsheet%2Fweb%2Fimage_social_3.png)