// let f: f64 = 2.456;
    let f = 2.456_f64;
    println!("{}", f);

    {
        //f = 5.6;
        let f: f64 = 1.4; // shadowing
        println!("{}", f);
    }

    println!("{f}");

    let _i: u16 = 256;
    let _i2: i32 = -5;

    println!("> {} {}", u8::min_value(), u8::max_value());

    // Antwort von zzzcode.ai
    println!("> {} {}", u8::MIN, u8::MAX);

    let mut j = 0;
    while j < 4 {
        println!(">> {j}");
        j += 1;
    }

    for j in 0..4 {
        println!(">> {j}");
    }

    let _i: u16 = 12_u8 as u16;

    // ...................................

    let a1: [u8; 3] = [1, 2, 3];
    let n = a1.len();
    println!("{a1:?} {n}");
    for x in a1 {
        println!("==> {x}");
    }

    /*
    let t1 = (1, 0xdada, 3.14);
    println!("{t1:?}");
    // let n = t1.len();  // gibts nicht
    println!("{n}");
    */
    /*
    for x in t1 {
        println!("%%> {x}");
    }
    */
    println!("{}", t1.0);

    let s: &str = "Hallo Leute";
    println!("{}", s);

    let mut buf = String::new();
    loop {
        print!("Your input> ");
        let _ = io::stdout().flush();
        io::stdin().read_line(&mut buf).expect("error");
        print!("{buf}");
        if buf.starts_with(".") {
            break;
        }
        buf.clear();
    }

    let _i = 42;

    // i.multiple_of(2);

    let _fruits = ['🍊', '🥥', '🍒', '🍋', '🍉'];