Python: Context managers

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Context managers help manage resources, such as files or network connections, ensuring that they are properly acquired and released. Using a context manager ensures that your code is cleaner and more fault-tolerant.

with resource as alias:
  # use resource as alias

Example:

with open('file.txt', 'r') as file:
  content = file.read()
  print(content)  # Output: Hello, World!