import os

# with open('book.txt', 'w+') as f:
#     f.write('heheheh')


item = [
 {
   "name": 'py1110'
 }, {
   "title": 'good'
 }
]
# with open('new.json', 'w') as f:
#     f.write(str(item))
# print('hello', item)
print('os', help(os))
