f_arslan_first 0.1.0

fn lesson_one() {
    let a: i16 = 5;

    let mut b = 5;
    b = 10;


    // Shadowing
    let c = 10;
    let c = 20;

    println!("{c}");

    let d = 30;


    // Scope
    {
        let d = 40;
        println!("inner d is :{d}");
    }

    println!("{d}");
}