Python Math: Multiply two integers without using the * operator in python

Python Math: Exercise-19 with Solution

Write a Python program to multiply two integers without using the * operator.

Sample Solution:-

Python Code:

def multiply(x, y):
    if y < 0:
        return -multiply(x, -y)
    elif y == 0:
        return 0
    elif y == 1:
        return x
    else:
        return x + multiply(x, y - 1)

print(multiply(3, 5));

Sample Output:

15 

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