What this snippet does
OrderedDict provides specialized methods like move_to_end for LRU caches or queue implementations.
Expected output
['b', 'a']
Why practise typing this
Typing standard library (collections) 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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