Middle School Python
NY-CSDF.6-8.CT.5
Use lists and reason about empty-input boundaries
Use indexing, length, append, membership, sums, maximums, and simple filters.
Learn the skill
- 1Use indexing, length, append, membership, sums, maximums, and simple filters.
- 2Explain zero-based indexes and empty-list edge cases.
Cited instruction
Use the publisher's material for instruction, then return to PeerTutor for the checked practice written for this skill.
Computer Science and Digital Fluency · New York State Education DepartmentPractice preview
For nums = [4, 7, 9], what is nums[1]?
For nums = [4, 7, 9], what is nums[-1]?
What does len([4, 7, 9]) return?
Course mapping reviewed by Nikhil on 2026-08-26. Practice is authored for PeerTutor and does not reproduce linked providers' exercises.