import shelve

with shelve.open("/var/tmp/test") as db:
	db["hello"] = "helloworld"

with shelve.open("/var/tmp/test") as db:
	for k, v in db.items():
		print(k, ":", v)		
		
		

		 
import shelve, json

data = json.loads(json.dumps({"800": "AAAA", "900": "BBBB", "1000": "CCCC"}))
print(data, type(data))
with shelve.open("/var/tmp/test", "n") as db:
	for k, v in data.items():
		db[k] = v

with shelve.open("/var/tmp/test") as db:
	for k, v in db.items():
		print(k, ":", v)