Midterm Exam
In 2022, the New Yorker ran the above cartoon. At first, I thought it referred to our exams.
The midterm will be Thursday February 26th at 7pm in DL 316. It will be a 2 hour hand written exam. No computers. No notes. No books. No kidding.
Here is a practice exam. (solutions). Practice UNIX script. (UPDATED) (solutions). mt.py code for practice midterm
Here is a great resource to practice regular expressions https://regex101.com/ Also, see www.regular-expressions.info which has a tutorial as well as useful examples, including HTML tags, email addresss, IP addresses, dates, credit cards, and lots more.
Also, check out Regular Expression Crosswords
Also, the paper Music and Computation, discussed below, is also in scope, up to but not including Code. There will be true/false questions about binary encodings of numbers, text, images, and sound. No questions about code, sound, video, or music.
I asked AI for sample questions. See truefalse.a.txt and truefalse.b.txt.
See 2/23/26 Binary encoding recorded lecture. (canvas media library)
Sophia held a review session. Friday February 20th, 2-5pm., DL 316 (same as exam room).
Python idioms:
- Swap two variables:
a, b = b, a - Reverse a string:
s[::-1] - Check palindrome:
s == s[::-1] - Get factorial:
Math.prod(range(1,n+1)) - Flatten a list:
[i for sub in lst for i in sub] - Find even numbers:
[x for x in range(10) if x % 2 == 0] - Merge two dicts:
{**d1, **d2} - Count item occurrences:
from collections import Counter Counter(lst)
- Get unique elements:
set(lst) - List to string:
''.join(str)