Python, LintCode, 64. 合并排序数组

class Solution:
    """
    @param: A: sorted integer array A which has m elements, but size of A is m+n
    @param: m: An integer
    @param: B: sorted integer array B which has n elements
    @param: n: An integer
    @return: nothing
    """
    def mergeSortedArray(self, A, m, B, n):
        # write your code here
        A[m:m+n] = B[0:n]
        A.sort()
        return A