Practice Combining map and filter - 25.1.5 | 25. List Comprehension | Data Structures and Algorithms in Python
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the map function do in Python?

πŸ’‘ Hint: Think about how you can transform the contents of a list.

Question 2

Easy

Example: What will be the output of list(map(lambda x: x + 1, [1, 2, 3]))?

πŸ’‘ Hint: What happens to each element when you add 1?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the output of list(filter(lambda x: x >= 10, [5, 10, 15, 8]))?

  • [5
  • 8]
  • [10
  • 15]
  • [15]
  • []

πŸ’‘ Hint: Think about which numbers in the list are 10 or more.

Question 2

True or False: The map function returns a list in Python 3.

  • True
  • False

πŸ’‘ Hint: Remember how Python 3 handles this compared to earlier versions.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a function that returns all prime numbers less than 100 using filter and a prime checking function with list comprehension.

πŸ’‘ Hint: Think about how to check for primalityβ€”what condition must be satisfied?

Question 2

Modify the Pythagorean triple generator to avoid generating duplicates. Ensure x < y < z.

πŸ’‘ Hint: You need to adjust the ranges for y and z relative to x.

Challenge and get performance evaluation