Practice Select Function (25.1.3) - List Comprehension - Data Structures and Algorithms in Python
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Select Function

Practice - Select Function

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What will be the output of [x * 2 for x in range(5)]?

💡 Hint: Look at how many times you multiply by 2.

Question 2 Easy

Use filter to get odd numbers from a list range(10).

💡 Hint: Think about the condition for odd numbers.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the map function do in Python?

It modifies the list directly
It applies a function to each item
It creates a new list without functions

💡 Hint: Remember its role with functions on lists.

Question 2

True or False: In Python 3, map returns a list directly.

True
False

💡 Hint: Think about the differences between Python 2 and 3.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a function using list comprehension that takes a list of integers and returns only the numbers greater than 10 and squared.

💡 Hint: Combine your knowledge of filtering and list comprehension.

Challenge 2 Hard

Define a nested list comprehension that extracts all unique Pythagorean triples from a range given below 100 and ensures no duplicates.

💡 Hint: Think about how to avoid duplicate triples during extraction.

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