Practice - Changing Internal Representation
Practice Questions
Test your understanding with targeted questions
What does the 'self' parameter represent in a class method?
💡 Hint: Think about how methods access attributes.
What method is used to create an object from a class?
💡 Hint: It's also known as a constructor.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What must every method in a Python class include as its first argument?
💡 Hint: It's a convention in Python.
True or False: The internal representation of data can be changed without affecting the public interface.
💡 Hint: Consider how user functions remain the same.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a Point class in Python that incorporates both Cartesian and polar representations. Include methods to switch between the two and calculate the distance to the origin.
💡 Hint: Think about how to convert between representations using trigonometric functions.
Create a version of your Point class that includes error handling for invalid inputs (e.g., non-numeric types).
💡 Hint: What might happen if a user tries to input a string instead of a number?
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Reference links
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