Practice @classmethod - 2.5.3 | Chapter 2: Python Decorators and Descriptors | Python Advance
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2.5.3 - @classmethod

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a class method?

💡 Hint: Think about methods that affect the class itself.

Question 2

Easy

What does the @classmethod decorator do?

💡 Hint: Remember which method you use when you want class-level access.

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 main purpose of the @classmethod decorator?

  • To modify instance data
  • To transform a method into one that can access class data
  • To create static methods

💡 Hint: Remember what makes class methods special compared to ordinary methods.

Question 2

True or False: Class methods can directly change instance-level variables.

  • True
  • False

💡 Hint: Think about the difference between class and instance contexts.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a Movie class using class methods that tracks the total number of movies created and also allows retrieving the total amount of movies. How would you implement this?

💡 Hint: Keep in mind that you'll need to use the cls parameter when defining your class method.

Question 2

Create a class method for a Book class that checks if the number of books exceeds a certain limit, and returns a message based on whether the limit is reached.

💡 Hint: Focus on how the class itself maintains the book count.

Challenge and get performance evaluation