$4.$ Context Managers and the with Statement:

Explain the purpose and functionality of context managers in Python.

Create custom context managers using the $\_\_$enter$\_\_$ and $\_\_$exit$\_\_$ methods.

Apply context managers for resource management $($e$.$g$.,$ file I$/$O$,$ database connections$),$ exception handling, and simplifying code structure.

Discuss the role of context managers in handling file locks and thread synchronization.Decorators:

Explain the concept of decorators in Python, including their syntax and mechanics.

Implement various types of decorators

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Demonstrate practical use cases of decorators in Python, such as logging

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$$timing$,$ access control, and error handling.

Explore the potential drawbacks and performance considerations of using decorators.

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