from __future__ import print_function map(print, [1,2,3]) def test(*a, **b): print(*a, **b) test(12) with open('t.out', 'w') as f: test(12,

from __future__ import print_function map(print, [1,2,3]) def test(*a, **b): print(*a, **b) test(12) with open('t.out', 'w') as f: test(12,13, sep='--', file=f)