[Solved] Find the error in this code:class Animal: def sound(self): return "Some sound" class Dog(Animal): def sound(): return "Bark" d = Dog() print(d.sound()) | Python

Python - Inheritance and Code Reuse

Find the error in this code:

class Animal:
    def sound(self):
        return "Some sound"

class Dog(Animal):
    def sound():
        return "Bark"

d = Dog()
print(d.sound())

Aprint statement syntax error

BDog class should not inherit Animal

CCannot override methods in child class

DMissing self parameter in Dog's sound method

Step-by-Step Solution

Solution:

Step 1: Check method definitions
In Python, instance methods must have self as first parameter.
Step 2: Identify error in Dog's sound
Dog's sound method lacks self, causing a TypeError when called on instance.
Final Answer:
Missing self parameter in Dog's sound method -> Option D
Quick Check:
Instance methods need self parameter [OK]

Quick Trick: Always include self as first method parameter [OK]

Common Mistakes:

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