python / intermediate
Snippet
Managing Resources with Context Managers
The 'with' statement simplifies exception handling by encapsulating standard clean-up tasks, like closing a file automatically after the block finishes.
snippet.py
python
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try:with open('data.txt', 'r') as file:content = file.read()except FileNotFoundError:print('File not found')# File is automatically closed here even if an error occurs
Breakdown
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with open(...) as file:
Opens the resource and ensures it is cleaned up later.
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file.read()
Reads the entire content of the file into a variable.