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Answer Decorators are powerful feature in python that allows you to modify or extend the behaviour of functions or methods without changing their actual code. major uses of decorators are reusability of functions to improve timing,caching,logging or authentication.
They are mostly used to add functionalities to functions or modules without changing code
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Python decorators are used for:
1. **Code Reusability**: Apply the same functionality across multiple functions without repeating code.
2. **Logging**: Track function calls and execution details.
3. **Authentication**: Verify user credentials before executing a function.
4. **Caching**: Store results of expensive function calls to speed up future requests.
5. **Timing**: Measure the execution time of a function.
6. **Validation**: Check function arguments for correctness before execution.
Decorators help modify or enhance the behavior of functions or methods in a clean and reusable way.
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