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Section checkpoint · 04

Collections & Data Structures

Use this short test to check whether the main ideas from the section are connected in your mind. A strong score means you can recognise the concepts; revisit linked lessons when an answer feels uncertain.

5questionsTarget: 4/5 or better

Question 11 point

Which concept is most appropriate for this situation: You need an ordered, mutable collection that can grow, shrink, slice or be iterated.

Create and Inspect ListsList Indexing and SlicingSet OperationsTuples and Immutable Records

Question 21 point

Which concept is most appropriate for this situation: You need an ordered, mutable collection that can grow, shrink, slice or be iterated.

Read and Update Dictionary ValuesList ComprehensionsSort and Reverse ListsAppend Insert Remove and Pop

Question 31 point

Which concept is most appropriate for this situation: You need uniqueness, membership checks, or operations such as union and intersection.

Create DictionariesSet OperationsMini Lab Summarise Product RatingsEnumerate and Zip

Question 41 point

Which concept is most appropriate for this situation: You need fast key-to-value lookup, named fields, or counting by category without relying on positional indexes.

Read and Update Dictionary ValuesList ComprehensionsDictionary Methods and IterationCreate Dictionaries

Question 51 point

Which concept is most appropriate for this situation: You need to apply the idea taught in “Mini Lab Summarise Product Ratings” and explain how its input is transformed into a valid output.

List Indexing and SlicingList ComprehensionsSet OperationsMini Lab Summarise Product Ratings