let number: i32 = 42;
let number_string: String = format!("Number: {}", number);
println!("The result in string form is '{}'.", number_string);
print!("The number is {}. ", number); // Print without line break
println!("Again, it's {}", number); // Print with line break
// The above prints:
// The result in string form is 'Number: 42'.
// The number is 42. Again, it's 42