python-shelveモジュール

#shelve     
import shelve,datetime
d=shelve.open('    ')
name=[' xx',' zz',' ss']
info={' xx':{'  ':23,'  ':' '},' zz':{'  ':17,'  ':' '},' ss':{'  ':12,'  ':' '}}
d['name']=name
d['info']=info
d['datatime']=datetime.datetime.now()
d.close()

#shelve      
import shelve,datetime
d=shelve.open('    ')
print(d.get('name'))
print(d.get('info')[' xx'])
print(d.get('datatime'))

#    
[' xx', ' zz', ' ss']
{'  ': ' ', '  ': 23}
2020-02-21 13:30:47.651910