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  1. # your code goes here
  2. class Solution:
  3.     def isPalindrome(self, s: str) -> bool:
  4.         s = "".join(ch.lower() for ch in s if ch.isalnum())
  5.  
  6.         n = len(s)
  7.         i, j = 0, n-1
  8.  
  9.         for _ in range(n//2):
  10.             # print(s[i],  s[j])
  11.             if s[i] != s[j]:
  12.                 return False
  13.             i += 1
  14.             j -= 1
  15.  
  16.         return True
  17.  
Success #stdin #stdout 0.12s 14072KB
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https://ideone.com/7dHyo4
language:
Python 3 (python  3.12)
created:
11 days ago
visibility:
public

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