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While Guido is not keen on reduce, I don't think he has any desire to eliminate list comprehensions (which are equivalent to map/filter).

In other words, list comprehensions are the Pythonic version of same.

and Generator Expressions[1], a lazy version of list comprehensions [1]: http://www.python.org/dev/peps/pep-0289/

Yeah, but generators have been done much better. Look at Icon, Lua, or Prolog.