CS 200 - Fall 2023. 9/27/2023.

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Welcome to CS 200!

Video of the Day

Socratica Python Tutorials

Logical problem of the day

def f(lst):
    return sum( ([x] if not isinstance(x, list) else f(x)
                     for x in lst), [] )

f([[[2,3], [[3]], 3, [4]], 6])
What is the output of the above code?

https://pollev.com/slade You may also download the app to your phone. Use the "slade" poll id.

Lecture 8: Python.

Administrivia

  • I have Office hours via zoom, meeting ID 459 434 2854. Wednesday 4-6pm.

  • ULA office hours posted on csofficehours.org. See the posting on Ed Discussions for more information.

  • The cs200help@cs.yale.edu mailing list is now working.

  • Homework assignments: [Assignments]. hw3 is now available. You will submit with gradescope.

    Midterm Exam

    Last fall, the New Yorker ran the above cartoon. At first, I thought it referred to our exams.

    The midterm will be Thursday October 12 at 7pm in WLH 207. It will be a 2 hour hand written exam. No computers. No notes. No books. No kidding. Students registered with Student Accessbility Services will take the exam in room WLH 211, down the hall.

    Here is a practice exam. (solutions). Practice UNIX script. (solutions). UNIX review slides.

    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.

    Getting to know Python

    Review hw2.

    Object Oriented Programming

    Oop.html (jupyter) object oriented programming.

    F String Formatting

    Getting to know UNIX

    UNIX Introduction Principle 2.
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