Instructions:

BEFORE this session, for each of the following videos or reading:

• Watch the video (or read the reading), and as you do so,
• do the associated quiz in Moodle.

Videos and Reading:

1. Coding to a Specification — Video [4:23 minutes]
   • You will apply the ideas of this video in all subsequent exercises in this class (and beyond).
2. Functions with Parameters and Returned Values
   • Read this explanation of Functions with Parameters
     • Read this important explanation carefully!
     • It reinforces what you saw previously in a video on functions.
     • BRING your QUESTIONS about it to class.
3. Scope and Namespaces
   • Read this handout on Namespaces and Variables' Scope
   • Don't worry if some of its ideas are confusing to you. The NEXT item (a video) should clear up your confusion.
4. Thinking Like a Computer: Namespaces, Parameters, and Returns
   • Video [5:22 minutes] by Valerie Galluzzi
   • Code (from the video, for your reference)
   • The contents of this video are critical to your success in this course. Be sure that all of this video is crystal clear to you, and if not, ** BRING YOUR QUESTIONS ABOUT IT TO CLASS. **
5. Counted Loops (using FOR loops with RANGE expressions)
   • Read this explanation of Counted Loops (using FOR statements and RANGE expressions)
     • Read this important explanation carefully!
     • Study the examples in it.
     • BRING your QUESTIONS about it to class.
6. The Accumulator Pattern — Summing
   • Video [7:32 minutes]
7. Pair Programming
   • Watch this YouTube video on pair programming [2:51 minutes]. (Note: this link will open in a new tab or window, not inside this window.)
     • The video was developed by the folks at code .org, a terrific site and organization.
     • You will often use Pair Programming in this course, starting in Session 4.
     • Pair Programming is a real-life technique, per the next item.
   • Read this brief explanation of Pair Programming as one of the techniques of Extreme Programming.
   • [Optiona] If you want to learn more about pair programming , you might find the following links interesting:
     • Pair Programming as described at the organization Agile Alliance that started a revolution in Software Development in 2001 that persists to this day. You might also enjoy reading the Agile Manifesto that started it all.
     • A study on the effectiveness of Pair Programming
     • Here is the video that popularized Pair Programming in academic settings.