Py1.py
#！/usr/bin/env python
def test():
print ‘__name__ = ‘,__name__
if __name__ == ‘__main__‘:
test()
Py2.py
#！/usr/bin/env python
import Py1.py
def test():
print ‘__name__ = ‘,__name__
if __name__ == ‘__main__‘:
test()
print ‘Py1.py __name__ = ’,Py1.__name__
执行结果：
__name__=__main__
if __name__ == ‘__main__‘:
test()
原文：http://www.cnblogs.com/paulwinflo/p/4933569.html