解压赋值 不定长参数

>>> li = [('tar', 1, 2),
          ('goo', 3),
	  ('tar', 4, 5)]
... ... >>> 
li
[('tar', 1, 2), ('goo', 3), ('tar', 4, 5)]
>>> li
[('tar', 1, 2), ('goo', 3), ('tar', 4, 5)]
>>> def do_tar(x, y):
... 	print('tar', x, y)
... 
>>> def do_goo(x):
... 	print('goo', x)
... 
>>> for name, *args in li:
　　　　if name == 'tar':
　　　　　　do_tar(*args)
　　　　elif name == 'goo':
　　　　　　do_goo(*args)
... ... ... ... ... 
tar 1 2
goo 3
tar 4 5

　　

>>> li = ['test', 10, 20, 30, 40, 3, 5, 7, ['happy', 'new', 'year'], ('生', '日', '快' ,'乐')]

>>> x, *number, [hh, *_],(*_, le) = li
>>> x
'test'
>>> number
[10, 20, 30, 40, 3, 5, 7]
>>> hh
'happy'
>>> le
'乐'

>>> def zi_p(x=0, y=0, z=0):
... print(x, y, z)
...

>>> d = {}

>>> d.update(['x1', 'y2', 'z3'])

>>> d
{'x': '1', 'y': '2', 'z': '3'}

>>> zi_p(**d)
1 2 3
>>>