leetcode/0191_number-of-1-bits/python3/solution.py

class Solution:
    def hammingWeight(self, n: int) -> int:
        count = 0
        
        while n:
            n = n & (n - 1)
            count += 1
        
        return count
number-of-1-bits py3 2022-04-25 21:01:01 +00:00			`class Solution:`
			`def hammingWeight(self, n: int) -> int:`
			`count = 0`

			`while n:`
number-of-1-bits py3 better 2022-04-25 21:06:21 +00:00			`n = n & (n - 1)`
			`count += 1`
number-of-1-bits py3 2022-04-25 21:01:01 +00:00
			`return count`