题解 | #计算某字符出现次数#

import Foundation

while let inputStr = readLine(),
let lineStr = readLine(){
    let smalllInPut = inputStr.lowercased();
    let  smallStr = Character(lineStr.lowercased());
    var count = 0;
    smalllInPut.forEach {elemt in
        if (smallStr == elemt){
            count+=1
        }
    }
    print(count);
}