python动态传参

In [1]: def func (*args):
   ...:     print(args)
   ...:

In [2]: func(123,234,‘adds‘,[5,6,7])
(123, 234, ‘adds‘, [5, 6, 7])

In [5]: def func(**args)k:
   ...:     print(args)
   ...:

In [6]: func(a=22,b=33)
{‘a‘: 22, ‘b‘: 33}

In [7]: def func(*args,**kwargs):
   ...:     print(args,kwargs)
   ...:

In [8]: func(123,234,‘adds‘,[5,6,7])
(123, 234, ‘adds‘, [5, 6, 7]) {}

In [9]: func(a=22,b=33)
() {‘a‘: 22, ‘b‘: 33}

In [10]: func(123,443,‘2df‘,a=22,b=33)
(123, 443, ‘2df‘) {‘a‘: 22, ‘b‘: 33}

In [20]: def func(*args,**kwargs):
    ...:     print(‘%s-------%s‘%(args,kwargs))
    ...:

In [21]: list=[12,32,‘44a‘]

In [22]: dict={‘a‘:1,‘b‘:33}

In [23]: func(list,dict) #相当于把list与dict转换成一个元组
([12, 32, ‘44a‘], {‘a‘: 1, ‘b‘: 33})-------{}

In [24]: func(*list,**dict) #相当于func(12,32,‘44a‘,‘a‘=1,‘b‘=33)
(12, 32, ‘44a‘)-------{‘a‘: 1, ‘b‘: 33}