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Introducing Lists

Sept 6 th , 2019. Introducing Lists. Agenda. Preliminaries (8:35-8:45) Quiz (8:45-8:55) List Discussion (8:55-9:10) Lab Time Wrap-up (9:45-9:50). Preliminaries (8:35-8:45). Peer Support Events?. Preliminaries (8:35-8:45). Evening Tutors Classrooms open for working

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Introducing Lists

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  1. Sept 6th, 2019 Introducing Lists

  2. Agenda • Preliminaries (8:35-8:45) • Quiz (8:45-8:55) • List Discussion (8:55-9:10) • Lab Time • Wrap-up (9:45-9:50)

  3. Preliminaries (8:35-8:45) • Peer Support Events?

  4. Preliminaries (8:35-8:45) • Evening Tutors • Classrooms open for working • You must communicate with your lab partner about the plan if you don’t finish the write up in class. You can submit the lab writeup separately, but you should agree to that together • No using cellphones during class!

  5. Quiz (8:35-8:45)

  6. Lists (8:55-9:10) • What will each expression produce? • (list 1 2 3) • '(1 2 3) • ‘(1 2 3) • '(1 2 3) • (list (+ 1 2) (+ 3 4)) • '(3 7) • ‘((+ 1 2) (+ 3 4)) • '((+ 1 2) (+ 3 4))

  7. Lists (8:55-9:10) • (iota 5) • '(0 1 2 3 4) • (map increment (list 3 7 14 15 22 41)) • '(4 8 15 16 23 42) • (reduce * (iota 5)) • 0 • (reduce - (list 10 1 3 5 1)) • It depends! • (map iota (iota 4)) • '(() (0) (0 1) (0 1 2))

  8. Lab Time (9:10-9:45) • When working on the lab… • Remember to save your answers for each exercise so that you can submit the required ones

  9. Lab Time (9:10-9:45) • Lab Writeup: • Simple Lists Exercise 3: Send your scheme code for each part as well as a brief explanation in response to part d • Remember to follow the format specified in the syllabus!

  10. Wrap-up (9:45-9:50) • Email your lab partner the files you created together • Assignment 2, don’t forget to meet with your partner to work on it! • Read for Monday’s class • Submit lab writeup by Monday at 10:30pm

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