In [1]:

    

def func(arg1, arg2, arg3):
    print(arg1)
    print(arg2)
    print(arg3)


    

In [2]:

    

d = {'arg1': 'one', 'arg2': 'two', 'arg3': 'three'}


    

In [3]:

    

func(**d)


    

    




one
two
three

In [4]:

    

func(**{'arg1': 'one', 'arg2': 'two', 'arg3': 'three'})


    

    




one
two
three

In [5]:

    

# func(**{'arg1': 'one', 'arg2': 'two'})
# TypeError: func() missing 1 required positional argument: 'arg3'


    

In [6]:

    

# func(**{'arg1': 'one', 'arg2': 'two', 'arg3': 'three', 'arg4': 'four'})
# TypeError: func() got an unexpected keyword argument 'arg4'


    

In [7]:

    

def func_default(arg1=1, arg2=2, arg3=3):
    print(arg1)
    print(arg2)
    print(arg3)


    

In [8]:

    

func_default(**{'arg1': 'one'})


    

    




one
2
3

In [9]:

    

func_default(**{'arg2': 'two', 'arg3': 'three'})


    

    




1
two
three

In [10]:

    

# func_default(**{'arg1': 'one', 'arg4': 'four'})
# TypeError: func_default() got an unexpected keyword argument 'arg4'


    

In [11]:

    

def func_kwargs(arg1, **kwargs):
    print('arg1', arg1)
    for k, v in kwargs.items():
        print(k, v)


    

In [12]:

    

func_kwargs(**{'arg1': 'one', 'arg2': 'two', 'arg3': 'three'})


    

    




arg1 one
arg2 two
arg3 three

In [13]:

    

func_kwargs(**{'arg1': 'one', 'arg2': 'two', 'arg3': 'three', 'arg4': 'four'})


    

    




arg1 one
arg2 two
arg3 three
arg4 four

In [14]:

    

func_kwargs(**{'arg1': 'one', 'arg3': 'three'})


    

    




arg1 one
arg3 three