<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def turn_on_syncing(for_post_save=True, for_post_delete=True, for_m2m_changed=True, for_post_bulk_operation=False):
 """ Enables all of the signals for syncing entities. Everything is True by default, except for the post_bulk_operation signal. The reason for this is because when any bulk operation occurs on any mirrored entity model, it will result in every single entity being synced again. This is not a desired behavior by the majority of users, and should only be turned on explicitly. """

    if for_post_save:
        post_save.connect(save_entity_signal_handler, dispatch_uid='save_entity_signal_handler')
    if for_post_delete:
        post_delete.connect(delete_entity_signal_handler, dispatch_uid='delete_entity_signal_handler')
    if for_m2m_changed:
        m2m_changed.connect(m2m_changed_entity_signal_handler, dispatch_uid='m2m_changed_entity_signal_handler')
    if for_post_bulk_operation:
        post_bulk_operation.connect(bulk_operation_signal_handler, dispatch_uid='bulk_operation_signal_handler')