mq002.合并两个有序数组

class Solution:
    def merge(self, nums1: List[int], m: int, nums2: List[int], n: int) -> None:
        """
        Do not return anything, modify nums1 in-place instead.
        """
        t = m + n - 1
        i, j = m - 1, n - 1
        while i >= 0 and j >= 0:
            if nums1[i] < nums2[j]:
                nums1[t] = nums2[j]
                t -= 1
                j -= 1
            else:
                nums1[t] = nums1[i]
                t -= 1
                i -= 1
        while j >= 0:
            nums1[t] = nums2[j]
            t -= 1
            j -= 1
        return nums1