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Hello,
In Python (and hence Sage) you have very useful list comprehension
sage: my_list = [1, 2, 3, 4]
sage: [2^i for i in my_list]
[2, 4, 8, 16]
If you use vectors, you can alternatively do
sage: v = vector([1, 2, 3, 4])
sage: v.apply_map(lambda x: 2^x)
(2, 4, 8, 16)
Vincent
