What this snippet does
The first element (index 0) of sys.argv is always the script name itself, not the first argument.
Expected output
script.py
Why practise typing this
Typing standard library (os/sys) 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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