1  from datetime import datetime, timedelta
 2  from tornado.test.options_test import Email
 3  
 4  str = 'asdf'
 5  basestring = 'qwer'
 6  int = 42
 7  float = 1.5
 8  datetime = datetime(2013, 4, 28, 5, 16)
 9  timedelta = timedelta(0, 45)
10  email = Email('tornado@web.com')
11  list_of_int = [1, 2, 3]