给定两个坐标 寻找两个坐标点内可以形成的矩形

如题
用loop完成

比如
[[1, 2, 3, 4],
... [5, 6, 7, 8],
... [9, 10, 11, 12],
... [13, 14, 15, 16]]

给定坐标(1, 1), (2, 2)
返回[[6, 7], [10, 11]]
给定坐标(0, 0), (3, 0)
返回[[1], [5], [9], [13]]

matrix =[[1, 2, 3, 4],
         [5, 6, 7, 8],
         [9, 10, 11, 12],
         [13, 14, 15,16]]
pos1, pos2 = (0, 0), (3, 0)
res = []
for i in range(pos1[0], pos2[0] + 1):
    res.append(matrix[i][pos1[1]:pos2[1]+1])
               
for i in res:
    print(i)