Leetcode-73.矩阵置零（Python）

题目链接

    def setZeroes(self, matrix: List[List[int]]) -> None:
        """
        Do not return anything, modify matrix in-place instead.
        """
        res=[]
        for i in range(len(matrix)):
            for j in range(len(matrix[0])):
                if matrix[i][j]==0:
                    res.append([i,j])
        for zero in res:
            for j in range(len(matrix[0])):
                matrix[zero[0]][j]=0
            for i in range(len(matrix)):
                matrix[i][zero[1]]=0