Practice List Comprehension In Python (25.1.6) - List Comprehension - Data Structures and Algorithms in Python
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List Comprehension in Python

Practice - List Comprehension in Python

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the map function return?

💡 Hint: Think about what you need to do in Python 3.

Question 2 Easy

How can you create a list of even numbers from range(10) using filter?

💡 Hint: What condition do you need for filtering?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the map() function do in Python?

Creates a new map object from an iterable by applying a specified function.
Creates a list of any iterable.
Executes a function on every element and returns an array.

💡 Hint: Think about how items are transformed using a function.

Question 2

True or False: The output of the filter() function in Python is always a list.

True
False

💡 Hint: Consider what `filter()` gives back before conversion.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Write a function which returns a list of prime numbers up to a given number n using filter and a corresponding check function. Then use list comprehension to apply that filter on a range.

💡 Hint: Remember how to define a prime check and utilize filter effectively.

Challenge 2 Hard

Create a list comprehension that generates a multiplication table (for example, the first 10 multiples of numbers 1-5), and format it into a matrix.

💡 Hint: Think about what ranges you will need for the outer and inner loops.

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Reference links

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