"In this article, I discuss the non-obvious features that have been added to the last several Python versions, and I weigh in on which are truly valuable and which just add unnecessary complication. My hope is to provide a collection of valuable things to watch out for to all those programmers who use Python less than full time. That includes programmers of other languages as well as scientists for whom programming is only a side task. Where some quandaries are raised, I offer some solutions.
"Between Python 2.0 and Python 2.1, something strange happened. Previously comparable objects started raising exceptions when compared..."
