The other comment about the Oxford comma is probably correct, but I'll answer the question anyways: I have found that I design things differently if I'm doing

The other comment about the Oxford comma is probably correct, but I'll answer the question anyways: I have found that I design things differently if I'm doing the documentation up front. I have known myself to re-write functions because it seemed like too much work to describe what the function is supposed to do in plain English. If I had put off documentation for later, I would have built a different system.