Practice Square Of Even Numbers (25.3.1) - List Comprehension - Data Structures and Algorithms in Python
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Square of Even Numbers

Practice - Square of Even Numbers

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Write a list comprehension to create a list of the first 10 even numbers.

💡 Hint: Think about how to define even numbers.

Question 2 Easy

What does the map function return when applied to a list?

💡 Hint: Remember how to convert it back to a usable list.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the output of 'list(map(lambda x: x**2, [1, 2, 3]))'?

[1
4
9]
[1
2
3]
[1
2
3
4
5]

💡 Hint: Pay attention to what the lambda function does.

Question 2

The following code results in duplicates: for x in range(5): for y in range(x, 5): print(x, y). Determine if True or False.

True
False

💡 Hint: Think about how nested loops interact with their ranges.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a function that generates the squares of all even numbers up to n using only a single comprehension statement.

💡 Hint: Combine both filtering and mapping in one concise line.

Challenge 2 Hard

Write a program that identifies all pairs of integers (a, b) that form valid Pythagorean triples with a given maximum value n.

💡 Hint: Remember to control the ranges of your nested loops carefully to prevent redundancy.

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