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CODE EXAMPLE FOR PYTHON

Python Roman to Integer method 2

class Solution:
    def romanToInt(self, s):
 
        values = {'I': 1, 'V': 5, 'X': 10, 'L' : 50, 'C' : 100, 'D' : 500, 'M' : 1000}   
        result = 0
        for i in range(len(s)):
            if i + 1 == len(s) or values[s[i]] >= values[s[i + 1]] : # if current item is not the last item on the string
                                                                    # or current item's value is greater than or equal to next item's value 
                result = result + values[s[i]]                      # then add current item's value from result
            else:
                result = result - values[s[i]]                      # otherwise subtract current item's value from result
        return result

Task = Solution()
print(Task.romanToInt("III"))
print(Task.romanToInt("LVIII"))
print(Task.romanToInt("MCMXCIV"))
Source by eolnuha.com #
 
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Tagged: #Python #Roman #Integer #method
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