# https://leetcode.com/problems/number-of-1-bits/
'''
把数字转成二进制，返回二进制里有多少个1

'''

class Solution(object):
    def hammingWeight(self, n):
        """
        :type n: int
        :rtype: int
        """
        
        



a = Soluation()
a.hammingWeight(11)
