gistfile1.py

>>> from itertools import izip
>>> 
>>> def izip_op(op=tuple, *lists):
...     return (op(x) for x in izip(*lists))
...     
...     
... 
>>> list(izip_op(sum, [1,2,3], [4,5,6]))
[5, 7, 9]
>>> list(izip_op(lambda x: reduce(operator.mul, x), [1,2,3], [4,5,6]))
[4, 10, 18]
>>> list(izip_op(lambda x: reduce(operator.mul, x), [1,2,3], [4,5,6], [7,8,9]))
[28, 80, 162]