Oct 16: Counting with a Dictionary
Meet in King 248
Learning Objectives
After today's class, you should be able to:
- Create a dictionary of strings and look up values by key.
- Check whether a key is present before retrieving its value.
- Use a loop to tally how many times each character appears.
Lesson Outline
Presentation [10 min]
- Intro to dictionaries: syntax, methods, and looping
Dictionaries [40 min]