Accepted python code (69 ms)


  • 0
    C
    def isPalindrome(self, s):
        """
        :type s: str
        :rtype: bool
        """
       #s = "A man, a plan, a canal: Panama"
       #new_s = "amanaplanacanalpanama"
    
        if not s: return True #empty string
        new_s = ''.join([i for i in s if i.isalnum() ]).lower()
        return new_s == new_s[::-1] #reverse

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