Some really amazing answers here but none fit the bill for me since I needed to be able to match only valid Roman numerals within a string without matching empty strings and only match numerals that are on their own (i.e. not within a word). Let me present you to Reilly's ...
A. Read and complete the tasks(阅读短文并完成下列任务):Roman numeralsThe house numbers1510501001000JVXDMW\circled{1}The people of ancient Rome used them thousands of years ago. Nobody knows exactly when or how they invented these numerals. Some scholars say the numeral T began when people ...
self.assertRaises(roman.InvalidRomanNumeralError, roman.fromRoman, s) def testRepeatedPairs(self): """fromRoman should fail with repeated pairs of numerals""" for s in ('CMCM', 'CDCD', 'XCXC', 'XLXL', 'IXIX', 'IVIV'): self.assertRaises(roman.InvalidRomanNumeralError, roman.fromRoman...