20.10 - Nested Lists
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Practice Questions
Test your understanding with targeted questions
What is a nested list?
💡 Hint: Think about lists within lists.
How would you create a 2D list (matrix) with three rows?
💡 Hint: Recall the format of a list within a list.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What are nested lists?
💡 Hint: Think about how you can represent more complex data.
True or False: You can access elements in a nested list using multiple indices.
💡 Hint: Recall the way we access elements in multi-dimensional arrays.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a nested list in Python representing a 3x3 tic-tac-toe board. Write a function to check for a winner.
💡 Hint: Think of how to check rows, columns, and diagonals for the same symbols.
Write a Python function that takes a nested list and returns the sum of all numbers within it, regardless of depth. Provide an example call.
💡 Hint: Think about how to check each element and whether it's a list to decide how to sum it.
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