Character Count
Given a string s and a character ch, count how many times that character appears in the string. This is useful when analyzing text, finding frequent letters, or checking user input. Return the number of matches.
Примеры
Ввод
"banana", "a"Вывод
3Ввод
"hello", "z"Вывод
0Ввод
"aaa", "a"Вывод
3Нужно реализовать
def count_char(s: str, ch: str) -> int:
Теги
strings
Prihláste sa, aby ste videli históriu odoslaní
Prihlásiť saPrihláste sa, aby ste mohli používať AI mentora
Prihlásiť saTests12
Visible tests
Skrytý test 7
Skrytý test 8
Skrytý test 9
Skrytý test 10
Skrytý test 11
Skrytý test 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