How to do multiple arguments to map function where one remains the same

One option is a list comprehension:

[add(x, 2) for x in [1, 2, 3]]

More options:

a = [1, 2, 3]

import functools
map(functools.partial(add, y=2), a)

import itertools
map(add, a, itertools.repeat(2, len(a)))