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  1. nums = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
  2. roman = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I']
  3.  
  4. def from_roman_numeral(roman_numeral):
  5.     result = 0
  6.     if roman_numeral in roman:
  7.         result += nums[roman.index(roman_numeral)]
  8.     else:
  9.         arr = list(roman_numeral)
  10.         for i in range(len(arr) - 1):
  11.             if arr[i] >= arr[i + 1]:
  12.                 result += nums[roman.index(arr[i])]
  13.             else:
  14.                 result -= nums[roman.index(arr[i])]
  15.     print(result)
  16.     return result
  17.  
  18. from_roman_numeral("V")
  19. from_roman_numeral("XX")
  20. from_roman_numeral("DCCC")
  21. from_roman_numeral("MMMM")
Success #stdin #stdout 0.02s 7308KB
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5
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700
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https://ideone.com/n2ggzq
language:
Python (cpython 2.7.16)
created:
3 years ago
visibility:
public

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