Python C API Question.

[Jeff Epler]

Please see
http://docs.python.org/api/listObjects.html

C's PyList_Append() is roughly equivalent to Python's list.append().
If you want to construct a list without knowing how many items will
eventually be in it, use PyList_New(0), then PyList_Append for each
item you want to add.  This will be as efficient as the similar
Python code
    l = [f(x) for x in s]
in terms of the number of resizes the internal array-of-pointers
undergoes.

Jeff
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