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"Focus on topics where you've failed edge-case questions. MAANG interviewers look for conceptual depth, not speed."

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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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  • 1.Concepts over memorization.
  • 2.Identify trade-offs in every solution.