Roman Numerals

romanize.py

#!/usr/bin/env python3
# encoding: utf-8

class Romanize():
    # Values from https://www.math.nmsu.edu/~pmorandi/math111f01/RomanNumerals.html
    numbers = [1000,  900, 500,  400, 100,   90,  50,   40,  10,    9,   5,    4,   1]
    numeral = [ 'm', 'cm', 'd', 'cd', 'c', 'xc', 'l', 'xl', 'x', 'ix', 'v', 'iv', 'i']

    def calculate(number):
        out = ""
        number = int(number)
        for i, r in zip(Romanize.numbers, Romanize.numeral):
            while number >= i:
                number = number - i
                out += r
        return out

if __name__ == '__main__':
    print("Some examples: ")
    print("  Using {} we get {}".format(7, Romanize.calculate(7)))
    print("  Using {} we get {}".format(8, Romanize.calculate(8)))
    print("  Using {} we get {}".format(90, Romanize.calculate(90)))
    print("  Using {} we get {}".format(123, Romanize.calculate(123)))
    print("  Using {} we get {}".format(1984, Romanize.calculate(1984)))
    print()

    input = input('Now enter in your own number: ')
    print("The roman numeral is {}".format(Romanize.calculate(input)))