Smallest even multiple

class Solution:
    def smallestEvenMultiple(self, n: int) -> int:
        if n % 2 == 0:
            return n
        else:
            return n * 2

Smallest Even Multiple

Given a positive integer n, return the smallest positive integer that is a multiple of both 2 and n.

Difficulty: Easy

 

Example 1:

Input: n = 5
Output: 10
Explanation: The smallest multiple of both 5 and 2 is 10.

Example 2:

Input: n = 6
Output: 6
Explanation: The smallest multiple of both 6 and 2 is 6. Note that a number is a multiple of itself.

 

Constraints:

  • 1 <= n <= 150