jamesls: a weblogI'm going to show you how a micro optimization can speed up your python code by a whopping 5%. 5%! It can also annoy anyone that has to maintain your code. But really, this is about explaining code might you see occasionally see in the standard library or in other people's code. Let's take an example from the standard library, specifically the collections.OrderedDict class: def __setitem__(self, k
