My problem is that I want to create a data base of all of the questions, answers, and most importantly, the tags, from a certain (somewhat small) Stack Exchange. The relationships among tags (e.g. tags more often used together have a strong relation) could reveal a lot about the structure of the community and popularity or interest in certain sub fields.

So, what is the easiest way to go through a list of questions (that are positively ranked) and extract the tag information using Python?