Python: Journey from Novice to Expert

Don't overdo comprehensions and generators

We've seen how powerful list comprehensions and generator expressions can be. And they are, don't get me wrong, but the feeling that I have when I deal with them is that their complexity grows exponentially. The more you try to do within a single comprehension or a generator expression, the harder it becomes to read, understand, and therefore to maintain or change.

Open a Python console and type in import this, let's read the Zen of Python again, in particular, there are a few lines that I think are very important to keep in mind:

>>> import this
The Zen of Python, by Tim Peters

Beautiful is better than ugly.
Explicit is better than implicit.  #
Simple is better than complex.  #
Complex is better than complicated. ...