1 #!/usr/bin/env python 2 def fun(arg) : 3 ret = [] 4 for i in range(len(arg)) : 5 if i % 2 ==1 : 6 ret.append(arg[i]) 7 else : 8 pass 9 return ret 10 li = [11,22,33,44,55] 11 r = fun(li) 12 print(li) 13 print(r)
原文：http://www.cnblogs.com/shiluoliming/p/6217109.html