How to iterate over function arguments

Question

I have a Python function accepting several string arguments def foo(a, b, c): and concatenating them in a string. I want to iterate over all function arguments

Answer 1

Is this perhaps what you'd like?

def foo(a, b, c):
    "SilentGhost suggested the join"
    ' '.join(i if i is not None else '' for i in vars().values())

def bar(a,b,c): 
    "A very usefull method!"
    print vars()
    print vars().values()

Notice the use of vars(), which returns a dict.