Why Context managers are so great and how to create one yourself!
Context managers allow you to set-up and teardown things before and and after you code is executed. There are many use cases but the concept takes a while to get used to. In this video, you will see an example of the built-in file context manager and learn how to create one to prevent a well-known problem in apps.
C H A P T E R S
0:28 Use the Python file context manager
2:35 Create a context manager in Python
M Y O N L I N E T R A I N I N G
🎓 Learn more about the Python Data Model in my online course of special methods in Python: https://pythonforeveryone.com/python-...
L I N K S I N T H E V I D E O
https://pythonforeveryone.com/python-...
#contextmanager #dundermethods #python
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