25 lines
622 B
Python
25 lines
622 B
Python
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def isPalindrome(s: str) -> bool:
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tmp = s
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tmp = tmp.lower()
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def is_char(ch):
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if (ch >= 'a' and ch <= 'z') or (ch >= '0' and ch <= '9'):
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return True
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return False
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exp = []
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for lt in tmp:
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if is_char(lt):
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exp.append(lt)
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length = len(exp)
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for index, ele in enumerate(exp):
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if(exp[index] != exp[length - index - 1]):
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return False
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return True
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s = 'A man, a plan a canal: Panama'
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print(isPalindrome(s))
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s = " "
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print(isPalindrome(s))
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s = "race a car"
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print(isPalindrome(s))
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s = "0P"
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print(isPalindrome(s))
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