// variables5.rs // // Execute `rustlings hint variables5` or use the `hint` watch subcommand for a // hint. fn main() { let mut number: Result = Err("T-H-R-E-E"); // don't change this line println!("Spell a Number : {:?}", number); number = Ok(3); // don't rename this variable println!("Number plus two is : {}", number.unwrap() + 2); }