# coding=utf-8
import re

with open('1.txt', 'r') as myfile:
    data=myfile.read()

r = re.compile(r"^[-a-z0-9!#$%&'*+/=?^_`{|}~]+(\.[-a-z0-9!#$%&'*+/=?^_`{|}~]+)*@([a-z0-9]([-a-z0-9]{0,61}[a-z0-9])?\.)*(aero|arpa|asia|biz|cat|com|coop|edu|gov|info|int|jobs|mil|mobi|museum|name|net|org|pro|tel|travel|[a-z][a-z])$")

n = re.compile(r'\w+$')
print r.findall(data)