Practice Summary (35.5) - Sets, stacks, queues - Data Structures and Algorithms in Python
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Practice - Summary

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Practice Questions

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Question 1 Easy

Define a set in Python.

💡 Hint: Think about how duplicates are handled.

Question 2 Easy

What does the union of two sets do?

💡 Hint: Look for the symbol used for union.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary operation that ensures no duplicate elements exist in a set?

A. Append
B. Union
C. Unique

💡 Hint: Think about how sets are defined.

Question 2

Is True or False? A stack is a First In, First Out data structure.

True
False

💡 Hint: Remember how you stack items.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a program that uses a set to filter out duplicate names from a list and then returns a sorted list of unique names.

💡 Hint: Remember to handle both filtering and sorting.

Challenge 2 Hard

Simulate a web browser's back button using a stack. Create functions to push a URL and pop the previous one.

💡 Hint: Keep track of the current and previous URLs.

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