In Python, a decorator factory is a function that returns a decorator.

        A decorator factory is used when you need to create a decorator that takes arguments. Instead of defining a decorator function with fixed arguments, you can define a decorator factory that returns a decorator function based on the arguments it receives.

        Here's an example of a decorator factory:

def decorator_factory(argument):
    def decorator_function(func):
        def wrapper(*args, **kwargs):
            print("Decorator argument:", argument)
            result = func(*args, **kwargs)
            return result
        return wrapper
    return decorator_function

        In this example, decorator_factory is a function that takes an argument argument. It returns a decorator function decorator_function, which takes a function func as an argument and returns a wrapper function.

        The wrapper function prints the value of the argument passed to the decorator factory, calls the original function func with any arguments it receives, and returns the result.

        To use the decorator factory, you can call it with the desired argument to create a decorator, and then apply the decorator to a function using the @ syntax:

@decorator_factory("hello")
def my_function():
    return "world"

print(my_function())  # Output: "Decorator argument: hello" followed by "world"

        In this example, decorator_factory("hello") returns a decorator function that prints "Decorator argument: hello" before calling the original function. We then apply this decorator to my_function using the @ syntax, which causes the decorator to be called whenever my_function is executed. When we call my_function(), it first prints the decorator argument ("hello") and then returns the result of the original function ("world").