[Python-Dev] PEP 450 adding statistics module

Terry Reedy tjreedy at udel.edu
Thu Aug 15 23:10:38 CEST 2013

On 8/15/2013 4:16 PM, Eric V. Smith wrote:
> itertools.chain.from_iterable. But I think that was a mistake, too. As a
> recent discussion showed, it's not exactly discoverable. The fact that
> it's not mentioned in the list of functions at the top of the
> documentation doesn't help. And "chain" is documented as a "module
> function", and "chain.from_iterable" as a "classmethod" making it all
> the more confusing.
> I think itertools.combinations and
> itertools.combinations_with_replacement is the better example of related
> functions that should be followed. Not nested, no special parameters
> trying to differentiate them: just two different function names.

Great implied idea. I opened http://bugs.python.org/issue18752
"Make chain.from_iterable an alias for a new chain_iterable."

Terry Jan Reedy

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