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Questions and Answers
What is a decorator?
What is a decorator?
- A function that changes the behavior of a function without modifying the function itself. (correct)
- A function that changes the behavior of a function with modifying the function itself.
- A function that changes the behavior of a function with modifying the inner functions.
- A function that changes the behavior of a function without modifying the inner functions.
How do you add arguments to decorators?
How do you add arguments to decorators?
- By adding *args and **kwargs to the decorated functions.
- By adding *args and **kwargs to the inner functions. (correct)
- By adding *args and **kwargs to the outer functions.
- By adding *args and **kwargs to the decorator functions.
What is a possible way to fix the issue of the decorator hiding the function it is decorating?
What is a possible way to fix the issue of the decorator hiding the function it is decorating?
- By using functools to update the decorator with the decorated function's attributes. (correct)
- By using functools to update the decorated function with the decorator's attributes.
- By using functools to update the inner function with the decorator's attributes.
- By using functools to update the outer function with the decorator's attributes.
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Study Notes
- A decorator is a function that changes the behavior of a function without modifying the function itself.
- To use a decorator, you attach it to a function like you see in the code below.
- There is also an inner function that wraps around the decorated function.
- To add arguments to decorators I add *args and **kwargs to the inner functions.
- Decorators hide the function they are decorating.
- To fix this issue I will use functools. Functools wraps will update the decorator with the decorated functions attributes.
- Now I receive the output I am expecting.
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