What this snippet does
__exit__ runs deterministically at block end, while __del__ runs at GC time; always use __exit__.
Expected output
Exit Done Del
Why practise typing this
Typing advanced magic methods 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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