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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 in python.

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 

Flowchart:

Flowchart: Multiply two integers without using * operator in python

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Python: Tips of the Day

Getting rid of unwanted characters:

You can get rid of whitespaces or any specific character using strip methods in Python. You can use either plain strip for both sides, lstrip for the left side and rstrip for the right side only.

str="+++Welcome python+++"
str.strip()

print(str)

Output:

+++Welcome python+++