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
3
Ввод
"hello", "z"
Вывод
0
Ввод
"aaa", "a"
Вывод
3

Нужно реализовать

def count_char(s: str, ch: str) -> int:

Теги

strings
PostgreSQLv16

Taispeánfar toradh do chóid anseo

Tests12
Visible tests
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