def print_params(*params):
print params
print_params('Testing')
print_params(1, 2, 3)
def print_params_2(title, *params):
print title
print params
print_params_2('Params:', 1, 2, 3)
print_params_2('Nothing:')
def print_params_3(**params):
print params
print_params_3(x=1, y=2, z=3)
{'z': 3, 'x': 1, 'y': 2}
def print_params_4(x, y, z=3, *pospar, **keypar):
print x, y, z
print pospar
print keypar
print_params_4(1, 2, 3, 5, 6, 7, foo=1, bar=2)
print_params_4(1, 2)