2/100. Hamming Distance

class Solution:
    def hammingDistance(self, x, y):
        """
        :type x: int
        :type y: int
        :rtype: int
        """
        return(bin(x^y).count('1'))
                

• Python位运算符：^

  当两对应的二进位相异时，结果为1

• 十进制转二进制：bin()