[cs13001] midterm date, sample midterm, Q&A on wednesday

[Mikhail Nesterenko]

CSI students,

Several announcements"

- the midterm in on Wednesday, March 5th
- a sample midterm is available on the course's website
- there will be a card-based Q&A this Wednesday Feb 26 on strings and
  file i/o

Thanks,
-- 
Mikhail