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First solution in Clear category for Reverse Roman Numerals by Michael_Zilberman
def reverse_roman(roman_string):
roman = {'I': 1, 'V': 5, 'X': 10, 'L': 50, 'C': 100, 'D': 500, 'M': 1000}
s = 0
cipher = [ roman[i] for i in roman_string]
for i in range(1, len(cipher)):
if cipher[i] > cipher[i-1]:
s -= cipher[i-1]
else:
s += cipher[i-1]
s += cipher[-1]
return s
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert reverse_roman('VI') == 6, '6'
assert reverse_roman('LXXVI') == 76, '76'
assert reverse_roman('CDXCIX') == 499, '499'
assert reverse_roman('MMMDCCCLXXXVIII') == 3888, '3888'
print('Great! It is time to Check your code!');
May 28, 2018