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
Accedi per vedere la cronologia degli invii
AccediAccedi per usare l'AI Mentor
AccediTests12
Visible tests
Test nascosto 7
Test nascosto 8
Test nascosto 9
Test nascosto 10
Test nascosto 11
Test nascosto 12
They run when you press "Submit" — your whole solution is checked against them so you can't hard-code answers for the visible cases.
Focus radio
Paused · SomaFM · Fluid