from datetime import datetime, timedelta
from tornado.test.options_test import Email

str = 'asdf'
basestring = 'qwer'
int = 42
float = 1.5
datetime = datetime(2013, 4, 28, 5, 16)
timedelta = timedelta(0, 45)
email = Email('tornado@web.com')
list_of_int = [1, 2, 3]