Python was batteries included, in the standard library, in an era where putting those kinds of things in the standard library made sense.
Now there's tons of stuff they're deathly afraid of removing, that they would never remotely consider adding if it weren't already there. (If you don't believe me, have a flip through proposals on discuss.python.org for new additions. People think of Python as a language that's constantly adding and changing stuff and inadvertently causing breakage as a result, but it's actually very conservative relative to the volume of proposals.)
Now there's tons of stuff they're deathly afraid of removing, that they would never remotely consider adding if it weren't already there. (If you don't believe me, have a flip through proposals on discuss.python.org for new additions. People think of Python as a language that's constantly adding and changing stuff and inadvertently causing breakage as a result, but it's actually very conservative relative to the volume of proposals.)