leetcode_167 two sum ii

class Solution:
    def twoSum(self, numbers, target):
        """
        :type numbers: List[int]
        :type target: int
        :rtype: List[int]
        """
        low, high = 0, len(numbers) - 1
        while low < high:
            tmp = numbers[low] + numbers[high]
            if tmp == target:
                return [low + 1, high + 1]
            elif tmp > target:
                high -= 1
            else:
                low += 1