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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update_all_apps(self):
 """ Loops through all app names contained in settings.INSTALLED_APPS and calls `update_app` on each one. Handles any object deletions that happened after all apps have been initialized. """

        for app in apps.get_app_configs():
            self.update_app(app.name)

        # During update_app, all apps added model objects that were registered for deletion.
        # Delete all objects that were previously managed by the initial data process
        self.handle_deletions()