33 lines
663 B
Python
33 lines
663 B
Python
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class RomanNumeral(object):
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mappings = (
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(1000, 'M'),
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(900, 'CM'),
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(500, 'D'),
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(400, 'CD'),
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(100, 'C'),
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(90, 'XC'),
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(50, 'L'),
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(40, 'XL'),
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(10, 'X'),
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(9, 'IX'),
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(5, 'V'),
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(4, 'IV'),
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(1, 'I')
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)
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def __init__(self, arabic):
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self.arabic = arabic
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def to_roman(self):
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i = int(self.arabic)
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s = ''
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for arabic, roman in self.mappings:
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while i >= arabic:
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s += roman
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i -= arabic
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return s
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def __str__(self):
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return self.to_roman()
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