So welcome back. Now we’re officially started with the class. I hope you had a good weekend. I was just asking people before class what kind of stuff they did this weekend. So if anyone wants to, come early. We’ll just engage in random conversation. See the whole transcript at [[http://see.stanford.edu/materials/icspmcs106a/transcripts/ProgrammingMethodology-Lecture04.pdf|Programming Methodology - Lecture 04]]