What this snippet does
Context managers are perfect for wrapping blocks of code with setup and teardown metrics.
Expected output
Took 0.00123s
Why practise typing this
Typing context managers (advanced) code builds muscle memory for the symbols and indentation Python uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
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