gistfile1.py

def function1(*args, **kwargs):
    print "in function 1: ", args, kwargs
    function2(*args, **kwargs)

def function2(*args, **kwargs):
    print "in function 2: ", args, kwargs
    print "local variables are:", locals()
    function3(locals())

def function3(*args, **kwargs):
    print "in function 3: ", args, kwargs

if __name__ == "__main__":
    function1(1, 2, 3, foo="bar")