pub fn min_length(str: &str, min: usize) -> String {
let mut str = String::from(str);
let remaining = min - str.len();
for _ in 0..remaining {
str.push_str(" ");
}
str
}
pub fn repeat(char: &str, amount: usize) -> String {
let mut str = String::new();
for _ in 0..amount {
str.push_str(char);
}
str
}