def mail():

      n=123

      n+=1

      print(n)

      return 1

mail()------------执行

#

import smtplib

from email.mime.text import MIMEText

from emial.utils import formataddr

def mail(user)

      ret=ture

      try: 

            msg=MIMEText('邮件内容'，‘plain’，‘utf-8’)

            msg['from']=formataddr(["张扬"，‘wptawwy@126.com’])

            msg['to']=formataddr(["张兮兮"，‘1696824781@qq.com’])

            msg['Subject']="主题"

 

 

             server=stmplib.SMTP("smtp.126.com",25)

             server.login("wptawwy@126.com","ww.3945.59")

             server.sendmail('wptawwy@126.com',[user,],msg.as_string())

             server.quit()

 

       except Exception:

            ret=flase

       return ret

   ret=mail('1696824781@qq.com’)