Write string to file path.
use std::io::Write;
fn write_file(content: &String, file_name: &str) {
let cwd = std::env::current_dir().unwrap();
let mut file = std::fs::File::create(format!("{}/{}", cwd.to_str().unwrap(), file_name)).unwrap();
write!(&mut file, "{}", content).unwrap();
}