python 操作json

#!/usr/bin/env python
import json
s = json.loads('{"name":"test", "type":{"name":"seq", "parameter":["1", "2"]}}')
dit = '{"name":"test", "type":{"name":"seq", "parameter":["1", "2"]}}'
print dit
print "#############"
print s
print "#############"
print s.keys()
print "#############"
print s["name"]
print "#############"
print s["type"]["name"]
print "#############"
print s["type"]["parameter"][1]
[root@centos ~]# python a.py
{"name":"test", "type":{"name":"seq", "parameter":["1", "2"]}}
#############
{u'type': {u'parameter': [u'1', u'2'], u'name': u'seq'}, u'name': u'test'}
#############
[u'type', u'name']
#############
test
#############
seq
#############
2