[python]函數返回多個return值

python支持函數直接返回多個變量,具體用法如下:

>>> def test():
...     a=2
...     b=3
...     return a,b
...
>>> print(test())
(2, 3)
>>> a,b=test()
>>> print(a)
2
>>> print(b)
3
>>> print(test()[0])
2
>>> print(test()[1])
3