Get Started Using Python Context Managers and the `with` Statement
What’s a context manager? It’s a block of code that has side effects upon entering and exiting. The with statement in Python is a quite useful tool for properly managing external resources in your programs. It handles the setup and teardown phases whenever you’re dealing with external resources or with operations that require those phases.
This is a portion of the complete course, which you can find here:
https://realpython.com/courses/with-s...
The rest of the course covers how to:
- Precision and Threading Locks
- Creating Your Own Context Manager
- Practice by Redirecting Stdout and Creating a File Writer
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