def f(a, b): print a, b f(1, 2) f(*[1, 2]) f(*(1, 2)) def g(a, b, *c): print a, b, c g(1, 2, 3) g(1, 2, 3, 4, 5, 6) g(*[1, 2]) g(*[1, 2, 3, 4]) g(*[1, 2, 3, 4, 5, 6, 7]) g(*(1, 2, 3, 4, 5, 6, 7)) g(1, *[7]) g(1, *[7, 8, 9]) g(1, 2, *(7,)) g(1, 2, 3, *(7, 8, 9))