Practice Initializing Matrices (25.1.7) - List Comprehension - Data Structures and Algorithms in Python
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Initializing Matrices

Practice - Initializing Matrices

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a list comprehension?

💡 Hint: Think of how it allows the creation of lists in a single line.

Question 2 Easy

How would you initialize a matrix full of zeros?

💡 Hint: Focus on using nested lists!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the map function do?

Returns a filtered list
Returns a modified list based on a function
Creates a new list of the same items

💡 Hint: Think about how it transforms lists.

Question 2

In Python 3, what type does map return?

True
False

💡 Hint: Recall the change from Python 2.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a function that initializes a 3x4 matrix filled with a specific number provided by the user. How would you ensure each row is distinct?

💡 Hint: Use list comprehensions properly!

Challenge 2 Hard

Create a list comprehension that generates squares of all odd numbers from 0 to 30. What is the expected output?

💡 Hint: Combine filtering with mapping.

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Reference links

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