Question: Define a Roman_int class for holding Roman numerals (as ints) with a < < and >>. Provide Roman_int with an as_int() member that returns the

Define a Roman_int class for holding Roman numerals (as ints) with a << and >>. Provide Roman_int with an as_int() member that returns the int value, so that if r is a Roman_int, we can write cout << "Roman" << r << " equals " << r.as_int() << '\n';.

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