19 lines
408 B
Python
19 lines
408 B
Python
NUMERAL_MAPPINGS = (
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(1000, 'M'), (900, 'CM'),
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(500, 'D'), (400, 'CD'),
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(100, 'C'), (90, 'XC'),
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(50, 'L'), (40, 'XL'),
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(10, 'X'), (9, 'IX'),
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(5, 'V'), (4, 'IV'),
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(1, 'I')
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)
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def roman(number):
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result = ''
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for arabic_num, roman_num in NUMERAL_MAPPINGS:
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while number >= arabic_num:
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result += roman_num
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number -= arabic_num
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return result
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