The Mod Out System

June 23, 2009

Over at The Daily WTF, Alex Papadimoulis catalogs some insanely bad programming practices. The Mod Out System is one of the best … worst … absolutely sickening … no boss, I would never do such a thing … well, you get the point.

The hero of the story, Gary, must write a function to expand a list of ranges like 1-6,9,13-19 into a list without ranges like 1,2,3,4,5,6,9,13,14,15,16,17,18,19.

Your task is to write that function. When you are finished, you are welcome to read or run a suggested solution, or to post your solution or discuss the exercise in the comments below.


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