Object-Oriented Programming

Object-Oriented Programming — cheat sheet

Design modular, reusable systems with classes, inheritance, and properties.

Classes and constructors

class User:
    def __init__(self, name):
        self.name = name

Constructor initializing instance state.

@classmethod
def factory(cls): return cls()

Alternative constructor receiving cls.

@property
def price(self): return self._price

Getter attribute wrapper.

def __str__(self): return self.name

User-friendly string representation.