code: def getSeriesRegistered(self,q_filter=Q(),distinct=True,counter=False,**kwargs):
          '''
          Return a list that indicates each series the person has registered for
          and how many registrations they have for that series (because of couples).
          This can be filtered by any keyword arguments passed (e.g. year and month).
          '''
          series_set = Series.objects.filter(q_filter,eventregistration__registration__customer=self,**kwargs)
  
          if not distinct:
              return series_set
          elif distinct and not counter:
              return series_set.distinct()
          elif 'year' in kwargs or 'month' in kwargs:
              return [str(x[1]) + 'x: ' + x[0].classDescription.title for x in Counter(series_set).items()]
          else:
              return [str(x[1]) + 'x: ' + x[0].__str__() for x in Counter(series_set).items()f getSeriesRegistered(self,q_filter=Q(),distinct=True,counter=False,**kwargs):
          '''
          Return a list that indicates each series the person has registered for
          and how many registrations they have for that series (because of couples).
          This can be filtered by any keyword arguments passed (e.g. year and month).
          '''
          series_set = Series.objects.filter(q_filter,eventregistration__registration__customer=self,**kwargs)
  
          if not distinct:
              return series_set
          elif distinct and not counter:
              return series_set.distinct()
          elif 'year' in kwargs or 'month' in kwargs:
              return [str(x[1]) + 'x: ' + x[0].classDescription.title for x in Counter(series_set).items()]
          else:
              return [str(x[1]) + 'x: ' + x[0].__str__() for x in Counter(series_set).items()]
docs: Return a list that indicates each series the person has registered for
          and how many registrations they have for that series (because of couples).
          This can be filtered by any keyword arguments passed (e.g. year and month).