40 lines
956 B
Python
40 lines
956 B
Python
#!/usr/bin/python3
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# Palindrome Check Function using Python 3
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# The Palindrome Algorithm
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# this takes in a string and returns a boolean equal to the result of
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# whether the string is a palindrome or not.
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string_1 = "abba"
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string_2 = "abbcccbba"
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string_3 = "abbccbbba"
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def palindrome(s: str) -> bool:
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"""
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>>> palindrome(string_1)
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True
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>>> palindrome(string_2)
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True
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>>> palindrome(string_3)
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False
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"""
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# Reverse string using idiomatic python
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reversed_string = s[::-1]
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# return the answer, by comparing string and its reverse
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return s == reversed_string
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# A utility function to output the result of palindromes
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def is_palindrome(s: str):
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# if string is palindrome
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if palindrome(s):
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print(f"{s} is a palindrome")
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else:
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print(f"{s} is not a palindrome")
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# main program
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if __name__ == "__main__":
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is_palindrome(string_1)
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is_palindrome(string_2)
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is_palindrome(string_3)
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