Comprendre __str__ en Python (et l'avantage de __repr__)

comprendre_str_repr.py

# https://xiaoouwang.medium.com/comprendre-la-m%C3%A9thode-str-en-python-et-lavantage-de-repr-d40fceb833a1
# Author: Xiaoou Wang, Master's student in natural language processing looking for a phd position/contrat cifre. https://www.linkedin.com/in/xiaoou-wang/
class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age


p1 = Person("John", 36)
print(p1)  # <__main__.Animal object at 0x7f9060250410>


class Animal:
    def __init__(self, color, age, breed):
        self.color = color
        self.age = age
        self.breed = breed

    def __str__(self):
        return f"{self.color} {self.breed} of age {self.age}"

    def __repr__(self):
        return f"repr : {self.color} {self.breed} of age {self.age}"


a1 = Animal("Red", 36, "Dog")
a1  # repr : Red Dog of age 36
print(a1)  # Red Dog of age 36