python程序执行完不自动退出

> python -i example.py

__author__ = 'di_shen_sh'

# coding=utf8

# 上句说明使用utf8编码

try:

    import os

    import sys

    import time

    #关键语句,使得py文件能够找到其他module

    #关键语句,使得py文件能够双击在外部运行

    sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

    from norlib_python.Mail import HtmlMail

    from norlib_python.Socket import Ip

except Exception,ex:

    print 'Load library Exception:\r\n'

    print ex

    os.system("pause")

#SendComputerRebootMail

if __name__ == "__main__":

    try:

        ips = Ip.GetIps()

        strIps = '<br/>'.join(ips)

        datetime = time.localtime(time.time())

        strDateTime = time.strftime('%Y-%m-%d %H:%M:%S',datetime)

        content = u'Info of Reboot Server<br/>DateTime:<br/>%s<br/>Ip:<br/>%s<br/>' % (strDateTime,strIps)

        subject = u'计算机重启事件'

        msg = HtmlMail.CreateMessage(subject,content)

        HtmlMail.Send("smtp.163.com","abc@163.com","123",msg,"abc@163.com","abc@163.com")

    except Exception,ex:

        print 'Exception:\r\n'

        print ex

    finally:

        os.system("pause")