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Python > Learn Python > What are common uses of Python decorators?
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What are common uses of Python decorators?

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The use of decorators in Python when we want to add some functionality to an existing function without changing that function so we can achieve that behavior with the help decorator. decorators are implemented using the "@" symbol and are used to modify the behavior of functions or classes. Try to understand...
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The use of decorators in Python when we want to add some functionality to an existing function without changing that function so we can achieve that behavior with the help decorator. decorators are implemented using the "@" symbol and are used to modify the behavior of functions or classes. Try to understand with an example there is a bakery you make cakes in that. suppose the bakery is a normal function you make the cake in that then you realized you have to decorate the cake as well. In that case don't you make a change in the existing function you use decorate function for that.

Let's say you have a bakery and you want to add a decorator to your cake class that adds an extra layer of frosting to the cake. Here's an example of how you can implement it:

 

 

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To change the behaviour of a function without modifying the function. Decorators are very powerful and useful tool. examples: • Logging • Test performance • Perform catching • Verify permission
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We use a decorator by placing the name of the decorator directly above the function we want to use it on. We prefix the decorator function with an @ symbol.
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You'll use a decorator when you need to change the behavior of a function without modifying the function itself. A few good examples are when you want to add logging, test performance, perform caching, verify permissions, and so on. You can also use one when you need to run the same code on multiple...
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You'll use a decorator when you need to change the behavior of a function without modifying the function itself. A few good examples are when you want to add logging, test performance, perform caching, verify permissions, and so on. You can also use one when you need to run the same code on multiple functions.

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