code: def login(self, email=None, password=None, app_id=None, api_key=None):
          
          session_token = self.api.user_get_session_token(
              app_id=app_id, email=email, password=password, api_key=api_key)
  
          # install session token back into api client
          self.api.session = session_token
docs: Login to MediaFire account.
  
          Keyword arguments:
          email -- account email
          password -- account password
          app_id -- application ID
          api_key -- API Key (optional)