Who cares what language a language is written in as long as you can be productive - which you certainly can be in Python.
Seriously, though, would there be any advantage in re-implementing Python in e.g. C++?
Not that current implementation is bad, anything but, but if you're not careful, the fact that lists are implemented as C arrays can bite your rear from time to time (it recently bit mine while using lxml). Suppose C++ re-implementation used some other data structure (like linked list, possibly with twists like having an array containing pointers to 1st linked list elements to speed lookups up), which would be a bit slower on average perhaps, but it would behave better re deletion?
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