How to convert String to &'static str in Rust?

Hi everyone, I just started learning Rust and already encountered a problem related to lifetimes. I have a function that returns &'static str, but I get a String from user input (via stdin) or from some other dynamic operation. How do I convert a regular String to &'static str? Here's an example code that doesn't compile: ```rust fn get_static_string(input: String) -> &'static str { &input } fn main() { let my_string = String::from("hello"); let static_str = get_static_string(my_string); println!("{}", static_str); } ``` The compiler gives an error: `cannot return reference to local variable 'input'`. I understand that this is because `input` will be destroyed after the function exits, but I need to return exactly `&'static