Solution:Step 1: Trace constructor calls and argumentsDerived calls super().__init__(x) passing 5 to Base, setting self.x = 5.Step 2: Derived sets self.y = 10Both attributes exist on obj.Final Answer:5 10 -> Option AQuick Check:super() passes arguments to parent constructor correctly [OK]

[Solved] Consider this code:class Base: def __init__(self, x): self.x = x class Derived(Base): def __init__(self, x, y): super().__init__(x) self.y = y obj = Derived(5, 10) print(obj.x, obj.... | Python

Python - Inheritance and Code Reuse

Consider this code:

class Base:
    def __init__(self, x):
        self.x = x

class Derived(Base):
    def __init__(self, x, y):
        super().__init__(x)
        self.y = y

obj = Derived(5, 10)
print(obj.x, obj.y)

What will be printed?

A5 10

B10 5

CError: missing argument in super()

DError: Derived class missing __init__

Step-by-Step Solution

Solution:

Step 1: Trace constructor calls and arguments
Derived calls super().__init__(x) passing 5 to Base, setting self.x = 5.
Step 2: Derived sets self.y = 10
Both attributes exist on obj.
Final Answer:
5 10 -> Option A
Quick Check:
super() passes arguments to parent constructor correctly [OK]

Quick Trick: Pass needed args to super().__init__() [OK]

Common Mistakes:

Forgetting to pass arguments to super()
Expecting error due to missing args
Confusing attribute order

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More Python Quizzes

Consider this code:

Step 1: Trace constructor calls and arguments

Step 2: Derived sets `self.y = 10`

Final Answer:

Quick Check:

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