fn main() {
    let x = 5;
    let x = x + 1;
    let x = x * 2;
    println!("The value of x  is: {}", x);
}

fn main() {
    let mut x = 5;
    x = x + 1;
    x = x * 2;
    println!("The value of x  is: {}", x);
}

let spaces = "    ";
let spaces = spaces.len();

let mut spaces = "    ";
spaces = spaces.len();

println!(" x is : {}", 5.0/4);
4 |     println!(" x is : {}", 5.0/4);
  |                               ^ no implementation for `{float} / {integer}`
  |
  = help: the trait `std::ops::Div<{integer}>` is not implemented for `{float}`

fn main() {
    let tup = (500, 6.4, 1);
    let (x, y, z) = tup;
    println!("x: {} y: {} z: {}", x, y, z);
    println!("tup.0: {} tup.1: {} tup.2: {}", tup.0, tup.1, tup.2);
}

fn main() {
    let array = [1, 2, 3];
    println!("array[0]: {} array[1]: {} array[2]: {}", array[0], array[1], array[2]);
}