Practice Example Of Grid Exploration (35.4.2) - Sets, stacks, queues - Data Structures and Algorithms in Python
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Example of Grid Exploration

Practice - Example of Grid Exploration

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Practice Questions

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Question 1 Easy

What is a set in Python? Provide an example.

💡 Hint: Consider how duplicates are handled.

Question 2 Easy

How do you create an empty set in Python?

💡 Hint: Think about the notation used in Python.

4 more questions available

Interactive Quizzes

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Question 1

What is the primary characteristic of a set in Python?

Contains duplicates
Store unique items
Ordered collection

💡 Hint: Think about how a bag of candy would work.

Question 2

True or False: A stack follows the FIFO principle.

True
False

💡 Hint: Visualize how you would load and unload a stack of plates.

2 more questions available

Challenge Problems

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Challenge 1 Hard

Using BFS, write a function in Python that finds out if there is a path from the starting position of a knight to a target position on an 8x8 chessboard. Consider marking squares as visited.

💡 Hint: Think about how you'd organize the moves and track them to avoid going in circles.

Challenge 2 Hard

Design a program using stacks to evaluate a postfix expression. Outline how you would handle operators and operands.

💡 Hint: Remember how arithmetic expressions are resolved step by step.

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