hello_cargo_lulu 0.1.3

this is a cargo publish test
Documentation 
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use hello_cargo_lulu::add_number;

fn main() {
    let v1 = add_number(2, 5);
    let v2 = add_number(2.3, 3.6);
    println!("v1 = {v1}; v2 = {v2}");
}