> import couchdb
> couch = couchdb.Server('http://example.com:5984/')

> db = couch.create('test') # 新建数据库
> db = couch['mydb'] # 使用已经存在的数据库

> doc = {'foo': 'bar'}
> db.save(doc)
('e0658cab843b59e63c8779a9a5000b01', '1-4c6114c65e295552ab1019e2b046b10e')
> doc
{'_rev': '1-4c6114c65e295552ab1019e2b046b10e', 'foo': 'bar', '_id': 'e0658cab843b59e63c8779a9a5000b01'}

> db['e0658cab843b59e63c8779a9a5000b01']
<Document 'e0658cab843b59e63c8779a9a5000b01'@'1-4c6114c65e295552ab1019e2b046b10e' {'foo': 'bar'}>

> data = db["5fecc0d7fe5acac6b46359b5eec4f3ff"]  
> data['billSeconds'] = 191
> db.save(data)
(u'5fecc0d7fe5acac6b46359b5eec4f3ff', u'3-6b8a6bb9f2428c510dcacdd5c918d632')

> for id in db:
...   print id
...
'e0658cab843b59e63c8779a9a5000b01'

> db.delete(doc)
> couch.delete('test')