pub fn get_guess(name: &String) -> u32 {
    println!("{}: Guess a number from 0 to 100", name);
    let mut guess = String::new();
    std::io::stdout().flush().unwrap();
    std::io::stdin().read_line(&mut guess);
    // let guess :u32 = guess.trim().parse().unwrap();
    let guess :u32 = match guess.trim().parse() {
        Ok(s) => {
                 println!("You guessed: {}", s);
                 s
             }
        Err(_) => {get_guess(name)}
    };
    // println!("You guessed: {}", guess);
    guess

}