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
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