Python: Context Managers

Learn how to ensure your code performs resource cleanup with context managers.

Context managers are objects that create a runtime context where code is executed at the start and end of the context. Context managers are a Pythonic way to perform opening and closing actions such as closing files, connections, etc. This lab introduces context managers through hands-on examples and ends with the chance to practice what you've learned.

Learning Objectives:

• The use case for context managers
• Creating context managers from:
  • Classes
  • Callables

Prerequisites:

• Proficient with:
  • The Python runtime
  • The Python language syntax