AByteofPython之回文

#设置需要过虑的标点符号
forbidden = (".", "?", "!", ":", ";", "-", "—", "()", "[]", "...", "'", '""', "/", ",", " ")
#获取一个字符串，书中要求确认"Rise to vote, sir."是回文
text = input("请输入：")
#将字符串倒过来
def reverse(text):
str_tmp = []
str = ""
for i in range(0,len(text)):
if text[i] in forbidden:
continue
else:
str_tmp.append(text[i].lower())#方便比较，将字母转成小写字母
return str.join(str_tmp)[::-1]
#做是否是回文检测
def is_palindrome(text):
str_tmp = []
str = ""
for i in range(0,len(text)):
if text[i] in forbidden:
continue
else:
str_tmp.append(text[i].lower())
return str.join(str_tmp) == reverse(text)
#