Python learning-storing data using JSON modules

JSON (Javascript Object) format

Json.dump () Two arguments: 1. Data to store 2. File objects that can be used to store data

As F_obj with open (filename, ' W '):

Json.dump (Numbers, f_obj)

Json.load () load information from a file, 1 arguments: The file object to read information from

Exercise: Storing and reading user information using JSON

Import JSON


Def get_stored_username ():
filename =' Username.json '
    Try
        WithOpen (filename)As F_obj:
Username = json.load (f_obj)
 ExceptFilenotfounderror:
 Return None
Else
 return username


Def get_new_username ():
Username =Input"What's your name?")
filename =' Username.json '
 WithOpen (filename,' W ') as f_obj:
Json.dump (username, f_obj)
return username


Def greet_user ():
Username = Get_stored_username ()
if username:
print ("Welcome back," + username + "!")
Else:
Username = Get_new_username ()
print ("We'll remember if you are come back," + username + "!")


Greet_user ()           

Python learning-storing data using JSON modules