Recall
Set 1: Quick Check
Distinguish list and dictionary tools and read values by position or key.
Lists, Dictionaries, and Collection Iteration
Choose indexed or keyed collections and trace lookup, traversal, and controlled mutation.
Start Chapter PracticeChapter plan
What you will be able to do
- Distinguish ordered list access from dictionary key lookup.
- Read and update collection values using stable indexes or keys.
- Iterate over items, keys, and values with an explicit output goal.
- Handle missing keys, empty collections, and mutation boundaries safely.
- Study time
- 26–33 minutes, self-paced
- Course
- Programming Logic & Debugging (Beginner)
- Practice order
- Four sets, completed in sequence
Chapter practice
Practice in chapter order
10 activities · 80% mastery target
Start set 1
Guided application
Set 2: Core Practice
Choose controlled mutations, sequence dictionary iteration, and match access operations.
Hands-on
Set 3: Workplace Task
Count priority records and handle a possibly missing key.
Independent check
Set 4: Mastery Check
Choose collection boundary tests and complete a collection-processing review.