kwargs vs args in python

What is the difference between kwargs and args? 

 

args is a tuple of anonymous arguments 

 

kwargs is a dictionary of named arguments, it stands for keyword arguments 

def func(*args, **kwargs):

    print('args: ', args, ' kwargs: ', kwargs)

func('a')

args: ('a',) kwargs: {}

func(a=1,b=2,c=3)

args: () kwargs: {'a':1, 'b':2, 'c':3}

func('x','y',a=1,b=2,c=3)

args: ('x', 'y') kwargs: {'a':1, 'b':2, 'c':3}