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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 create_audit_event(self, code='AUDIT'):
 """Creates a generic auditing Event logging the changes between saves and the initial data in creates. Kwargs: code (str):
 The code to set the new Event to. Returns: Event: A new event with relevant info inserted into it """

        event = self._meta.event_model(
            code=code,
            model=self.__class__.__name__,
        )

        # Use the logged in User, if possible
        if current_user:
            event.created_by = current_user.get_id()

        self.copy_foreign_keys(event)
        self.populate_audit_fields(event)

        return event