Clean Palindrome
A palindrome reads the same forward and backward after ignoring anything that should not count. Given a string s, consider only letters and digits, and ignore uppercase versus lowercase. Return True if the cleaned string is a palindrome.
Примеры
Ввод
"A man, a plan, a canal: Panama"Вывод
TrueВвод
"race a car"Вывод
FalseВвод
" "Вывод
TrueНужно реализовать
def is_palindrome(s: str) -> bool:
Теги
stringstwo-pointers
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