<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def handle_event(self, event):
 """ An abstract method that must be overwritten by child classes used to handle events. event - the event to be handled returns true or false if the event could be handled here default code is given for this method, however subclasses must still override this method to insure the subclass has the correct behavior. """

        # loop through the handlers associated with the event type.
        for h in self._events.get(event.type, []):

            # Iterate through the handler's dictionary of event parameters 
            for k, v in h.params.items():
                # get the value of event.k, if none, return v
                if not v(getattr(event, k, v)):
                    break
            else:
                h.call_actions(event)
                if self._logger is not None:
                    self._logger.debug("Handle event: {}.".format(event))

                return True

        return False