use std::io::{self, BufRead as _, Write as _};
pub fn prompt(message: &str) -> Result<String, io::Error> {
let stdout = io::stdout();
let mut stdout = stdout.lock();
stdout.write_all(message.as_bytes())?;
stdout.flush()?;
let stdin = io::stdin();
let mut stdin = stdin.lock();
let mut line = String::new();
stdin.read_line(&mut line)?;
Ok(line.trim().to_string())
}