LeetCode 筆記 - 1342. Number of Steps to Reduce a Number to Zero

class Solution:
    def numberOfSteps(self, num: int) -> int:
        
        result = 0
        while num:
            
            if num % 2 == 0:
                num /= 2
            else:
                num -= 1
            result += 1
            
        return result