Managed to figure this out
import mechanize
import cookielib
br = mechanize.Browser()
cj = cookielib.LWPCookieJar()
br.set_cookiejar(cj)
ck = cookielib.Cookie(version=0, name='Name', value='1', port=None, port_specified=False, domain='www.example.com', domain_specified=False, domain_initial_dot=False, path='/', path_specified=True, secure=False, expires=None, discard=True, comment=None, comment_url=None, rest={'HttpOnly': None}, rfc2109=False
cj.set_cookie(ck)
for index, cookie in enumerate(cj):
print index, ' : ', cookie
Output:
0 : <Cookie Name=1 for www.example.com/>