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My favorite palindrome #7455

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Oct 23, 2022
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My favorite palindrome #7455

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9590eb8
My favorite palindrome
cclauss Oct 20, 2022
e744f70
updating DIRECTORY.md
Oct 20, 2022
a1c9be3
Update is_palindrome.py
cclauss Oct 20, 2022
2a5f27a
Update is_palindrome.py
cclauss Oct 20, 2022
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[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 20, 2022
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Update strings/is_palindrome.py
cclauss Oct 20, 2022
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Update is_palindrome.py
cclauss Oct 20, 2022
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2 changes: 2 additions & 0 deletions DIRECTORY.md
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Original file line number Diff line number Diff line change
Expand Up @@ -360,6 +360,7 @@
* [Dijkstra](graphs/dijkstra.py)
* [Dijkstra 2](graphs/dijkstra_2.py)
* [Dijkstra Algorithm](graphs/dijkstra_algorithm.py)
* [Dijkstra Alternate](graphs/dijkstra_alternate.py)
* [Dinic](graphs/dinic.py)
* [Directed And Undirected (Weighted) Graph](graphs/directed_and_undirected_(weighted)_graph.py)
* [Edmonds Karp Multiple Source And Sink](graphs/edmonds_karp_multiple_source_and_sink.py)
Expand Down Expand Up @@ -936,6 +937,7 @@
* [Not Gate](quantum/not_gate.py)
* [Q Full Adder](quantum/q_full_adder.py)
* [Quantum Entanglement](quantum/quantum_entanglement.py)
* [Quantum Random](quantum/quantum_random.py)
* [Ripple Adder Classic](quantum/ripple_adder_classic.py)
* [Single Qubit Measure](quantum/single_qubit_measure.py)

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19 changes: 9 additions & 10 deletions strings/is_palindrome.py
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@@ -1,9 +1,8 @@
def is_palindrome(s: str) -> bool:
"""
Determine whether the string is palindrome
:param s:
:return: Boolean
>>> is_palindrome("a man a plan a canal panama".replace(" ", ""))
Determine if the string s is palindrome.
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Suggested change
Determine if the string s is palindrome.
Determine if the string s is palindromic.


>>> is_palindrome("A man, A plan, A canal -- Panama!")
True
>>> is_palindrome("Hello")
False
Expand All @@ -14,15 +13,15 @@ def is_palindrome(s: str) -> bool:
>>> is_palindrome("Mr. Owl ate my metal worm?")
True
"""
# Since Punctuation, capitalization, and spaces are usually ignored while checking
# Palindrome, we first remove them from our string.
s = "".join([character for character in s.lower() if character.isalnum()])
# Since punctuation, capitalization, and spaces are often ignored while checking
# palindromes, we first remove them from our string.
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Suggested change
# palindromes, we first remove them from our string.
# palindromes, we first remove them from our string.

s = "".join(character for character in s.lower() if character.isalnum())
return s == s[::-1]


if __name__ == "__main__":
s = input("Enter string to determine whether its palindrome or not: ").strip()
s = input("Please enter string to see if it is a palindrome: ")
if is_palindrome(s):
print("Given string is palindrome")
print(f"'{s}' is a palindrome.")
else:
print("Given string is not palindrome")
print(f"'{s}' is not a palindrome.")