371. 两整数之和

371. 两整数之和 参考: https://leetcode-cn.com/problems/sum-of-two-integers/solution/wei-yun-suan-xiang-jie-yi-ji-zai-python-zhong-xu-y/

class Solution:
    def getSum(self, a: int, b: int) -> int:
        
        # 2^32
        MASK = 0x100000000
        # 整型最大值
        MAX_INT = 0x7FFFFFFF
        MIN_INT = MAX_INT + 1
        
        while b != 0:
            
            carry = (a&b)