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easyOOP Advanced

A child class defines __init__ but forgets to call super().__init__(). What breaks, and when?

Code
class Animal:
    def __init__(self, name):
        self.name = name
        self.alive = True

class Dog(Animal):
    def __init__(self, name, breed):
        self.breed = breed

d = Dog("Rex", "Labrador")
print(d.breed)
print(d.name)
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