code: def reset(self):
          
          self._resetID()
          self._new = None
          self._updated = None
          self._changed = None
          self._values = {}
          # initially create fields
          for field in self._sqlFields.keys():
              self._values[field] = None
docs: Reset all fields, almost like creating a new object.
  
          Note: Forgets changes you have made not saved to database!
          (Remember: Others might reference the object already, expecting
          something else!) Override this method if you add properties not
          defined in _sqlFields.