[Python-ideas] Re: dict_items.__getitem__?

[Jeremiah Vivian]

Results are in (tested 
`next(iter(d))`/`next(iter(d.values())`/`next(iter(d.items())` and their 
`next(reverse())` counterparts):
`*` / `/` implemented is 2x faster than `next(iter(d))`/`next(reversed(d))`
`+` / `-` implemented is approximately 3x faster than 
`next(iter(d.values()))`/`next(reversed(d.values()))`
`<<` / `>>` implemented is at least 4x faster than 
`next(iter(d.items()))`/`next(reversed(d.items()))`
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