Practice lru_cache - 6.4.2 | Chapter 6: Functional Programming Tools in Python | Python Advance
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of the lru_cache decorator?

πŸ’‘ Hint: Think about how caching is used in everyday scenarios.

Question 2

Easy

What does the maxsize parameter do in lru_cache?

πŸ’‘ Hint: Consider what happens when the cache runs out of space.

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 lru_cache in Python?

  • A function
  • A module
  • A decorator

πŸ’‘ Hint: Think about how you can optimize function performance using decorators.

Question 2

True or False: lru_cache can limit memory usage by determining how many results to cache.

  • True
  • False

πŸ’‘ Hint: Recall how caching could impact memory efficiency.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a class-based implementation of a Fibonacci sequence generator using lru_cache.

πŸ’‘ Hint: Think about how classes and methods can work together with decorators.

Question 2

Develop a function that uses lru_cache to optimize a function that counts the number of unique characters in a string.

πŸ’‘ Hint: Consider how repetitive calls with different strings could result in repeated processing.

Challenge and get performance evaluation