EBoard 21: Lists (Section 1)

_Please follow the standard start-of-class routine.

Warning! You are being recorded (and transcribed) (provided the technology is working correctly).

Approximate overview

• Quizzes
• Administrative stuff
• Lab
• Quizzes

Administrative stuff

Introductory Notes

• I’m continuing the “limited talk” experiment.
• If you got an M or an R on your mid-semester assessment, please sign up for an appointment. (Appoinments are available next week and the following week.)
• Pop quizzes will resume Monday after break.

Upcoming work

• Due Sunday, 2026-10-25
  • Nothing!
• Due Tuesday, 2026-10-27
  • Mini-project 2 redo
    • Submit redo on Gradescope
    • When submitting a mini-project redo, please include a file called CHANGES.txt that describes what you’ve changed.
    • If you don’t submit the CHANGES.txt file, they won’t grade it.
• Due Thursday, 2026-10-29
  • Mini-project 1 second redo
    • Submit redo on Gradescope
    • When submitting a mini-project redo, please include a file called CHANGES.txt that describes what you’ve changed.
• On Friday, 2026-10-30
  • NEW Quiz/LA on list recursion (post-break topic)
  • Makeup Quiz/LA on testing
  • Makeup Quiz/LA on local bindings
  • Makeup Quiz/LA on collaboration
  • Makeup Quiz/LA on lists and list operations
  • Makeup Quiz/LA on conditionals
  • Makeup Quiz/LA on compose, cut, and section
  • Makeup Quiz/LA on tracing
  • Makeup Quiz/LA on decomposition
  • Makeup Quiz/LA on procedures

Upcoming activities

Scholarly

• Tuesday, 27 October 2026, Noon–1:00 p.m., CS Commons. CS Table

Artistic/Cultural

• Any day. Visit the GCMOA for at least 30 minutes.

Multicultural

• Friday, 30 October 2026, 4:10–5:00 p.m., HSSC N1170 Middle of Everywhere (Somewhere)

Peer

Musical, theatric, sporting, academic, and similar events involving this section’s students are welcome.

• Saturday, 24 October 2026, 1:00 p.m.–4:00 p.m., Rosenbloom Field. Football vs. Cornell College

Wellness

• Monday, 26 October 2026, 8:00–9:00 p.m., Prayer Garage in the CRSSJ. Meditation Group
• Tuesday, 27 October 2026, 4:30–6:00 p.m., Bear P103. Wellness Yoga

Misc

• Fill out the College AI survey at https://bit.ly/ACM-AI-Survey. There’s no need to submit evidence; just a reflection.
• Wednesday, 28 October 2026, 8:00–9:00 p.m., Science 3820. Mentor Session
• Thursday, 29 October 2026, 8:00–9:00 p.m., Science 3820. Mentor Session

Other good things

These do not earn tokens, but are worth your consideration.

• Friday, 16 October 2026, 6:00–8:00 p.m., RKO Natatorium. Swimming and Diving vs. Augustana
• Saturday, 17 October 2026, 11:00 a.m.–1:00 p.m., Springer Field. Men’s Soccer vs. Lawrence University
• Saturday, 17 October 2026, 1:30–3:30 p.m., Springer Field. Women’s Soccer vs. Lawrence University
• Sunday, 18 October 2026, 2:00–4:00 p.m., Springer Field. Men’s Soccer vs. Gustavas Adolphus College

Fall break PSA

• Fall break is a time to decompress from your work
• Take care of yourselves!
• Be moderate!
• Try not to forget things from 151!
• Consent is essential. Consent is also insufficient. Consent is impossible when impaired.

Lab

Core vocabulary

• (cons val lst) - create a new list by putting val at the front of lst
• (car lst) - grab the first element of lst
• (cdr lst) - grab all but the first element of lst

Observation

• (car (cons val lst)) is val
• (cdr (cons val lst)) is lst

Quizzes