20.Selenium2 自动化测试实战-基于Python语言-函数

python中通过def关键字来定义函数。

Python 3.5.3 (v3.5.3:1880cb95a742, Jan 16 2017, 15:51:26) [MSC v.1900 32 bit (Intel)] on win32
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>>> def add(a,b):
	print(a+b)

	
>>> add(5,5)
10
>>> def add(a,b):
	return a+b

>>> add(6,6)
12
>>> def add(a=1,b=2):
	return a+b

>>> add()
3
>>> add(5,5)
10
>>>