def sum_alien_numerals(self, alien_numerals):
"""
Return the sum of alien numerals
:alien_numerals: a list containing alien numerals
E.g. ["glob", "glob"]
"""
try:
roman_numeral = reduce(
lambda first_value, second_value: first_value + second_value,
[self.alien_numerals[alien_numeral]['roman']
for alien_numeral in alien_numerals])
number = roman_to_numeral(roman_numeral)
except Exception:
raise InvalidAlienNumeralError(
'Invalid Alien numeral: "%s"' % alien_numerals)
return number
def sum_alien_numerals(self, alien_numerals):
"""
Return the sum of alien numerals
:alien_numerals: a list containing alien numerals
E.g. ["glob", "glob"]
"""
try:
roman_numeral = reduce(
lambda first_value, second_value: first_value + second_value, [
self.alien_numerals[alien_numeral]['roman']
for alien_numeral in alien_numerals
])
number = roman_to_numeral(roman_numeral)
except Exception:
raise InvalidAlienNumeralError('Invalid Alien numeral: "%s"' %
alien_numerals)
return number
def __define_alien_numeral_value(self, sentence):
alien_numeral = re.match(r"^\w+", sentence).group()
roman_numeral = re.match(r"^\w+", re.sub(r"^\w+ is ", "", sentence)).group()
self.alien_converter.alien_numerals[alien_numeral] = {'roman': roman_numeral,
'arabic': roman_to_numeral(roman_numeral)}
def test_roman_to_numeral(self):
self.assertEqual(roman_to_numeral('I'), 1)
self.assertEqual(roman_to_numeral('II'), 2)
self.assertEqual(roman_to_numeral('III'), 3)
self.assertEqual(roman_to_numeral('IV'), 4)
self.assertEqual(roman_to_numeral('V'), 5)
self.assertEqual(roman_to_numeral('VI'), 6)
self.assertEqual(roman_to_numeral('VII'), 7)
self.assertEqual(roman_to_numeral('VIII'), 8)
self.assertEqual(roman_to_numeral('IX'), 9)
self.assertEqual(roman_to_numeral('X'), 10)
self.assertEqual(roman_to_numeral('XX'), 20)
self.assertEqual(roman_to_numeral('XXX'), 30)
self.assertEqual(roman_to_numeral('XXXVIII'), 38)
self.assertEqual(roman_to_numeral('XL'), 40)
self.assertEqual(roman_to_numeral('L'), 50)
self.assertEqual(roman_to_numeral('LX'), 60)
self.assertEqual(roman_to_numeral('XCIX'), 99)
self.assertEqual(roman_to_numeral('C'), 100)
self.assertEqual(roman_to_numeral('MMXIII'), 2013)
self.assertEqual(roman_to_numeral('MCMLXXXIII'), 1983)
self.assertEqual(roman_to_numeral('MMMDCCCLXXXVIII'), 3888)
def test_roman_to_numeral(self):
self.assertEqual(roman_to_numeral('I'), 1)
self.assertEqual(roman_to_numeral('II'), 2)
self.assertEqual(roman_to_numeral('III'), 3)
self.assertEqual(roman_to_numeral('IV'), 4)
self.assertEqual(roman_to_numeral('V'), 5)
self.assertEqual(roman_to_numeral('VI'), 6)
self.assertEqual(roman_to_numeral('VII'), 7)
self.assertEqual(roman_to_numeral('VIII'), 8)
self.assertEqual(roman_to_numeral('IX'), 9)
self.assertEqual(roman_to_numeral('X'), 10)
self.assertEqual(roman_to_numeral('XX'), 20)
self.assertEqual(roman_to_numeral('XXX'), 30)
self.assertEqual(roman_to_numeral('XXXVIII'), 38)
self.assertEqual(roman_to_numeral('XL'), 40)
self.assertEqual(roman_to_numeral('L'), 50)
self.assertEqual(roman_to_numeral('LX'), 60)
self.assertEqual(roman_to_numeral('XCIX'), 99)
self.assertEqual(roman_to_numeral('C'), 100)
self.assertEqual(roman_to_numeral('MMXIII'), 2013)
self.assertEqual(roman_to_numeral('MCMLXXXIII'), 1983)
self.assertEqual(roman_to_numeral('MMMDCCCLXXXVIII'), 3888)