code: def token_gen_call(username, password):
      
      secret_key = 'super-secret-key-please-change'
      mockusername = 'User2'
      mockpassword = 'Mypassword'
      if mockpassword == password and mockusername == username: # This is an example. Don't do that.
          return {"token" : jwt.encode({'user': username, 'data': 'mydata'}, secret_key, algorithm='HS256')}
      return 'Invalid username and/or password for user: {0}'.format(username)
docs: Authenticate and return a token