Clean Phrase Palindrome
You can check a palindrome even inside a regular phrase with spaces, punctuation, and mixed letter case. Given a string s, consider only letters and digits, and ignore uppercase versus lowercase. Return True if the cleaned string reads the same forward and backward.
Примеры
Ввод
"A man a plan a canal Panama"Вывод
TrueВвод
"race a car"Вывод
FalseВвод
""Вывод
TrueНужно реализовать
def is_palindrome(s):
Теги
stringstwo-pointers
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Visible tests
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Test moħbi 12
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