How to connect to OpenStack Keystone API using keystoneclient

>>>import keystoneclient

>>>from keystoneclient.v2_0 import client

>>>keystone = client.Client(username="admin", password="*****", tenant_name="admin", auth_url="http://192.168.56.101:5000/v2.0", debug=True)

>>> print  keystone.tenants.list()
 [<Tenant {u'enabled': True, u'description': None, u'name': u'admin', u'id': u'13b447285765463b8f4836f5cbb80f05'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'service', u'id': u'9369242879854fa19630a7aa1a7c30d9'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'invisible_to_admin', u'id': u'9b478397b98f4e8d9693128be8ddd2fb'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'demo', u'id': u'aa02b89cb14748ca9eb77788b9189075'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'alt_demo', u'id': u'b8b6ba4eacf14037925f5b239d6a9fd0'}>]
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>>> keystone.tenants.list()
[<Tenant {u'enabled': True, u'description': None, u'name': u'admin', u'id': u'13b447285765463b8f4836f5cbb80f05'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'service', u'id': u'9369242879854fa19630a7aa1a7c30d9'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'invisible_to_admin', u'id': u'9b478397b98f4e8d9693128be8ddd2fb'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'demo', u'id': u'aa02b89cb14748ca9eb77788b9189075'}>, <Tenant {u'enabled': True, u'description': None, u'name': u'alt_demo', u'id': u'b8b6ba4eacf14037925f5b239d6a9fd0'}>]
>>>