Python学习笔记（五）: from..import

1. 创建模块

#!/usr/bin/python
# Filename: mymodule.py

def sayhi():
    print 'Hi, this is mymodule speaking.'

version = '0.1'

# End of mymodule.py

2. 引用模块

#!/usr/bin/python
# Filename: mymodule_demo.py

import mymodule

mymodule.sayhi()
print 'Version', mymodule.version

3. from..import

#!/usr/bin/python
# Filename: mymodule_demo2.py

from mymodule import sayhi, version
# Alternative:
# from mymodule import *

sayhi()
print 'Version', version