#!usr/bin/env python #encoding:utf-8  ''''''' __Author__:沂水寒城 功能：輸入一個(gè)字符串，倒敘輸出 '''  import collections    def func1(one_str):  '''''  直接使用字符串切片功能逆轉(zhuǎn)字符串  '''  return one_str[::-1]   def func2(one_str):  '''''  將字符串轉(zhuǎn)換為列表使用reverse函數(shù)  '''  one_str_list = list(one_str)  one_str_list.reverse()  return ''.join(one_str_list)   def func3(one_str):  '''''  新建一個(gè)列表，從后往前添加元素  '''  one_list=[]  for i in range(len(one_str)-1,-1,-1):   one_list.append(one_str[i])  return ''.join(one_list)   def func4(one_str):  '''''  借助于collections模塊現(xiàn)成的方法extendleft  '''  deque1=collections.deque(one_str)  deque2=collections.deque()  for one_char in deque1:   deque2.extendleft(one_char)  return ''.join(deque2)   def func5(one_str):  '''''  遞歸實(shí)現(xiàn)  '''  if len(one_str)<=1:   return one_str  return one_str[-1]+func5(one_str[:-1])   def func6(one_str):  '''''  借助基本的Swap操作，以中間為基準(zhǔn)交換對(duì)稱位置的字符  '''  one_str_list=list(one_str)  if len(one_str_list)==0 or len(one_str_list)==1:   return one_str_list  i=0  length=len(one_str_list)  while i < length/2:   one_str_list[i], one_str_list[length-i-1]=one_str_list[length-i-1], one_str_list[i]   i+=1  return ''.join(one_str_list)   def main_func(str_list):  '''''  主調(diào)用函數(shù)  '''  for one_str in str_list:   one_list=[]   one=[]   one_list.append(func1(one_str))   one_list.append(func2(one_str))   one_list.append(func3(one_str))   one_list.append(func4(one_str))   one_list.append(func5(one_str))   one_list.append(func6(one_str))   print '字符串{0}逆序?yàn)椋?#39;.format(one_str)   print one_list   if __name__ == '__main__':  str_list=['123456','abcdefg','zyxvuw','Together_CZ']  main_func(str_list)

字符串123456逆序?yàn)椋?['654321', '654321', '654321', '654321', '654321', '654321'] 字符串a(chǎn)bcdefg逆序?yàn)椋?['gfedcba', 'gfedcba', 'gfedcba', 'gfedcba', 'gfedcba', 'gfedcba'] 字符串zyxvuw逆序?yàn)椋?['wuvxyz', 'wuvxyz', 'wuvxyz', 'wuvxyz', 'wuvxyz', 'wuvxyz'] 字符串Together_CZ逆序?yàn)椋?['ZC_rehtegoT', 'ZC_rehtegoT', 'ZC_rehtegoT', 'ZC_rehtegoT', 'ZC_rehtegoT', 'ZC_rehtegoT']