Practice Stacks (35.2.2) - Sets, stacks, queues - Data Structures and Algorithms in Python
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Stacks

Practice - Stacks

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Practice Questions

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Question 1 Easy

What does the push operation do?

💡 Hint: Think about how new items are added.

Question 2 Easy

Explain LIFO in your own words.

💡 Hint: Consider a stack of plates.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the push operation in a stack do?

Adds an element
Removes an element
Swaps two elements

💡 Hint: What happens when you add something to a top shelf?

Question 2

True or False: The top element of a stack is always removed first.

True
False

💡 Hint: Consider how you take books off a pile.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a function that checks for balanced parentheses using a stack.

💡 Hint: Push on '(' and pop on ')'.

Challenge 2 Hard

How would you implement a stack without using Python's list methods?

💡 Hint: Think about using a list inside your stack class and managing indices.

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