Roman Numerals
Created on Jan. 16, 2017 by Julien Palard
Description
Create a function named to_roman_numeral
converting a given number
to Roman Numerals (standard
form), such as:
>>> to_roman_numeral(1)
'I'
>>> to_roman_numeral(2)
'II'
>>> to_roman_numeral(4)
'IV'
>>> to_roman_numeral(8)
'VIII'
>>> to_roman_numeral(16)
'XVI'
>>> to_roman_numeral(32)
'XXXII'