Oop

Python

Data Types

categorytypes
textstr
numericint, float, complex
sequencelist, tuple, range
mappingdict
setset, frozenset
booleanbool
binarybytes, bytearray, memoryview
noneNoneType

Keywords

Python reserves 35 hard keywords (plus the soft keywords match and case for structural pattern matching since 3.10). Reserved keywords cannot be used as identifiers; soft keywords are only special in the relevant context.

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Design Patterns

Notes on all 23 Gang of Four design patterns — creational, structural and behavioural — each with its UML structure, when to use it, a worked example and its relations to the other patterns. Based on Shvets' Dive into Design Patterns.

Code Smells

naturally, the credit for the contents here go to refactoring.guru

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Design Principles

dry

don’t repeat yourself.

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UML Diagrams

overview

the Unified Modelling Language (UML) is a standardised visual language for specifying, constructing, and documenting software systems.

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