Best answer
A decorator in Python is acallable that takes another function as an argumentand adds additional behavior to that function without explicitly modifying the function. A decorator has the ability to run additional code before and after each call to a function that it wraps.
People also ask
How to implement decorators in Python?
This is a common construct and for this reason, Python has a syntax to simplify this. We can use the @ symbol along with the name of the decorator function and place it above the definition of the function to be decorated. For example, This is just a syntactic sugar to implement decorators.
How many times can a decorator be called in Python?
The decorator can be executed several times according to the given value of the argument. Let us consider the following example: In the above example, @repeat refers to a function object that can be called in another function. The @repeat (num = 5) will return a function which acts as a decorator.
What is function wrapping in Python decorators?
In Decorators, functions are passed as an argument into another function and then called inside the wrapper function. It is also called meta programming where a part of the program attempts to change another part of program at compile time.
What is a @a decorator?
A decorator is a function that changes the behavior of another function without explicitly modifying it. Use the @ symbol to decorate a function. Use the wraps function from the functools built-in module to retain the documentation and name of the original function. Did you find this tutorial helpful ?
