Return a copy of the string s, with each upper-case character replaced by the corresponding lower-case one; nonalphabetic characters are left unchanged. For example, tolower ("MiXeD cAsE 123") "mixed case 123"
Return a copy of the string s, with each upper-case character replaced by the corresponding lower-case one; nonalphabetic characters are left unchanged. For example,
tolower ("MiXeD cAsE 123") "mixed case 123"