Unpacking arguments: only named arguments may follow *expression

Question

The following works beautifully in Python:

def f(x,y,z): return [x,y,z]

a=[1,2]

f(3,*a)

The elements of a get unpacked as if

Answer 1

Nice. This also works for tuples. Don't forget the comma:

a = (1,2)
f(*(a+(3,)))