# -*- coding:utf-8 -*-class Solution:  # matrix類型為二維列表，需要返回列表  def printMatrix(self, matrix):    # write code here    res=[]    n=len(matrix)    m=len(matrix[0])    if m==1 and n==1:      res=[matrix[0][0]]      return res    else:      for o in range((min(m,n)+1)//2):        [res.append(matrix[o][i]) for i in range(o,m-o)]        [res.append(matrix[j][m-o-1]) for j in range(o,n-o) if matrix[j][m-o-1] not in res]        [res.append(matrix[n-o-1][k]) for k in range(m-1-o,o-1,-1) if matrix[n-o-1][k] not in res]        [res.append(matrix[l][o]) for l in range(n-1-o,o-1,-1) if matrix[l][o] not in res]      return res