Tic Tac Toe function for getting player input

main.rs

fn get_input() -> String {
    println!("Enter your choice : ");
    let mut input = String::new();

    io::stdout().flush().unwrap();
    
    io::stdin().read_line(&mut input).expect("Enter correct input");
    
    Command::new("clear").status().unwrap(); // clears the screen
    
    return input.trim().to_string();
}