Create Odoo User via API

create_odoo_user_via_api.py

#!/usr/bin/env python
# reference https://www.odoo.com/forum/help-1/question/how-to-create-a-new-user-and-give-him-access-via-api-96337

import xmlrpclib
url = "http://localhost:8069"   
db = "Odoo8TestMac" 
username = 'admin'
password = 'admin'
common = xmlrpclib.ServerProxy('{}/xmlrpc/2/common'.format(url))
uid = common.authenticate(db, username, password, {})   
models = xmlrpclib.ServerProxy('{}/xmlrpc/2/object'.format(url)) 

user_id=models.execute_kw(db, uid, password, 'res.users', 'create', 
	[
		{
			'name':"userAPI9", 
			'login':'[email protected]',
			'company_ids':[1], 
			'company_id':1, 
			'new_password':'123456',
			'sel_groups_39_40':40,    
			'sel_groups_9_44_10':10, 
			'sel_groups_29_30':30, 
			'sel_groups_36_37':37, 
			'sel_groups_21_22_23':23,
			'sel_groups_5':5 
		}
	]
)

# 'sel_groups_9_44_10':10 set the user as Sales Manager
# 'sel_groups_29_30':30 set the user as Warehouse Manager
# 'sel_groups_36_37:37 set as Manufacturing Manager
# 'sel_groups_21_22_23':23 set as Financial Manager
# 'sel_groups_39_40':40 set as Purchases Manager
# 'sel_groups_5':5 set as Employee.

where and how do you get the sel_group ids