write a phython program that Allows

user to selectively perform one or more of the following conversions $$

$$ Decimal to hexadecimal $($number$)$

$$ Decimal to Octal

$$ Decimal to Binary

$$ Number to English Words $(999->$ Nine Hundred Ninety Nine$)$

$$ A conversion of your $($author$$s$)$ choice, such as between Pounds to Kilograms

$$ Provide a menu system allowing the user to perform as many conversions as they wish

$$ Enforce the following validations $$

o An input value must be between $0$ and $999$

o Don$$t accept any out$-$of$-$range numbers

o Don$$t accept any text $($string$),$ such as $$xyz$$ or $$have nice day$$