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Solutions for "Roman Numerals" solution in Clear category for Roman Numerals by zeixes
from collections import OrderedDict
def checkio(number):
reptbl = {'I': 1, 'X': 10, 'C': 100, 'M': 1000}
not_reptbl = {'V': 5, 'L': 50, 'D': 500}
reptbl_not_reptbl = {'IV': 4, 'XL': 40, 'CD': 400}
reptbl_reptbl = {'IX': 9, 'XC': 90, 'CM': 900}
roman_nums = reptbl | not_reptbl | reptbl_not_reptbl | reptbl_reptbl
number_dict = OrderedDict()
while number:
max_roman = max(roman_nums.items(), key=lambda x: x[1])
if number < max_roman[1]:
roman_nums.pop(max_roman[0])
else:
number -= max_roman[1]
number_dict[max_roman[0]] = number_dict.setdefault(max_roman[0], 0) + 1
res = ''.join(num * count for num, count in number_dict.items())
return res
if __name__ == '__main__':
# These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(6) == 'VI', '6'
assert checkio(76) == 'LXXVI', '76'
assert checkio(499) == 'CDXCIX', '499'
assert checkio(3888) == 'MMMDCCCLXXXVIII', '3888'
print('Done! Go Check!')
Feb. 22, 2024
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