However, Python doesn't need lambdas to be able to write in a functional style. Functions are first-class objects and can be passed around quite easily, and IIRC Python's list comprehensions were borrowed (though probably with notable modification) from Haskell.
Note, it is haskell convention to name a list of objects with a plural. So xs -> list of x.
haskell:
[ x | x <- xs ] [ foo x | x <- xs, x > 2 ]
python
[ x for x in xs ] [ foo(x) for x in xs if x > 2 ]
shaleh
still mastering haskell, but loving it. Like python for functional languages.
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