#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) #
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