Python Coding challenge - Day 861| What is the output of the following Python Code?

 

Code Explanation:

1. Class Definition

class A:

You define a new class named A.

Objects of this class will carry a numeric value and support the + operator (because of the upcoming __add__ method).

2. Constructor Method

    def __init__(self, x):

        self.x = x

__init__ is the constructor that runs whenever you create an object.

It takes an argument x and stores it inside the object as self.x.

Every object of class A will hold this value.

Example:

A(3) → object with self.x = 3.

3. Operator Overloading for +

    def __add__(self, other):

        return A(self.x * other.x)

__add__ is the magic method that defines how the + operator works for objects of this class.

Instead of adding, this version multiplies the values.

self.x * other.x is computed.

A new object of type A is returned containing the product.

Example:

A(3) + A(4) → returns A(3 * 4) → A(12)

4. Creating First Object

a = A(3)

Creates object a with value x = 3.

5. Creating Second Object

b = A(4)

Creates object b with value x = 4.

6. Using Overloaded + Operator

print((a + b).x)

a + b calls the __add__ method.

Computes 3 * 4 = 12.

Returns a new object A(12).

Then .x accesses the stored value.

The printed output is:

12

Final Output

12

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