Practice Using The Metaclass (5.3.2) - Chapter 5: Metaprogramming and Dynamic Code in Python

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9 questions

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6 sample questions

Question 1.
What does a metaclass do?
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Think about who creates classes.
Question 2.
What method do we override to define a custom metaclass?
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This method is responsible for instance creation.
3Question 3.
What is a metaclass?
- A class that creates objects
- A class that creates classes
- An instance of a class
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Think about who oversees the blueprint for classes.
4Question 4.
True or False: Every class in Python has a metaclass.
- True
- False
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Consider the relationship between a class and its structure.
Question 5.
Write a custom metaclass that ensures any class it creates must have a __str__ method defined. Implement this metaclass and demonstrate its usage.
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Think about where to insert the check for the __str__ method.
Question 6.
Develop a metaclass that adds a logger when a new class is created. Show the output of the logger when a class is defined.
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Consider how to capture the creation event in the metaclass.

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