function solve(password){

    //Password validation
    let isDigit = (asciiCode) => asciiCode>= 48 && asciiCode<= 57;

    let validLenght = hasValidLenght();
    let validContent = hasValidContent();
    let validDigit = hasAtLeastTwoDigits();

    if (!validLenght) {
        console.log("Password must be between 6 and 10 characters");
    }
    if (!validContent) {
        console.log("Password must consist only of letters and digits");
    }
    if (!validDigit) {
        console.log("Password must have at least 2 digits");
    }
    if (validLenght && validContent && validDigit) {
        console.log("Password is valid");
    }
    function hasValidLenght(){
        return password.lenght >= 6 && password.lenght <= 10;
    }
    function hasValidContent(){
        let lowerCasePass = password.toLowerCase();
        let isLetter= (asciiCode) => asciiCode >=97 && asciiCode<=122;

        for (let i = 0; i < lowerCasePass.length; i++) {
         let ascii = lowerCasePass.charCodeAt(i);
         if (isLetter(ascii) || isDigit(ascii)) {
             continue;
         }
         return false;
         }
         return true;
        }
    function hasAtLeastTwoDigits(){
            let digitsCount = 0;
        for (let i = 0; i < password.length; i++) {
              let ascii = password .charCodeAt(i);
              let asciiIsDigit = isDigit(ascii);

                if (asciiIsDigit) {
                    digitsCount ++;
                }
            }
            return digitsCount >=2;
        }
    }
solve('MyPass123')