Practice Understanding 'self' (38.1.3) - Classes and objects in Python
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Understanding 'self'

Practice - Understanding 'self'

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the purpose of the self parameter in Python classes?

💡 Hint: Think about how methods are connected to their specific objects.

Question 2 Easy

How do you define a method that operates on an object in a class?

💡 Hint: Consider the structure of a typical class method.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main purpose of the self parameter in a Python class method?

To reference the class
To determine the method's output
To reference the instance object

💡 Hint: Think about who or what `self` is referring to.

Question 2

True or False: You must always name the first parameter of instance methods 'self'.

True
False

💡 Hint: Consider what Python allows regarding naming parameters.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a class to represent a Rectangle. This class should have methods to calculate the area and perimeter. Use 'self' appropriately.

💡 Hint: Ensure your methods reference the instance's attributes correctly using 'self'.

Challenge 2 Hard

Modify the Rectangle class to include a method that compares the area of two rectangles and returns which one is larger.

💡 Hint: Think about how to access the area method in both instances using 'self' and the 'other' reference.

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Reference links

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