Clean Palindrome
A palindrome can be checked even inside a regular phrase with spaces, punctuation, and mixed letter case. Given a string s, consider only letters and digits, and ignore case. Return True if the cleaned string reads the same from left to right and from right to left, otherwise return False.
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
Melde dich an, um den Einreichungsverlauf zu sehen
AnmeldenMelde dich an, um den KI-Mentor zu nutzen
AnmeldenVisible tests
1
Input
"A man, a plan, a canal: Panama"Expected
True2
Input
"race a car"Expected
False3
Input
" "Expected
True4
Input
"0P"Expected
False5
Input
"ab_a"Expected
True6
Input
"abc"Expected
FalseFocus radio
Paused · SomaFM · Fluid