Lessons > 21. Dictionaries: Part 3
Dictionaries are also very useful tools for data analysis. Today, we’ll go over how dictionaries can help you to group, tally, and analyze data.
Today's Activities
1. Download the Exercise Files
Exercise Files2. Review the Slides
3. Review the Lecture Video(s)
| Link | Type | Title | Duration |
|---|---|---|---|
| Video 1 | required | L21a: Creating a Dictionary (Review) | 10:12 |
| Video 2 | required | L21b: Reading a List of Dictionaries (Review) | 13:38 |
| Video 3 | required | L21c: Creating a Tally | 14:28 |
| Video 4 | required | L21d: Grouping & Counting - Legislature | 19:49 |
| Video 5 | lecture | Live Lecture | 54:10 |