docs: def get(self, item, default=0, normalized=False):
          '''
          When we have the stream of data pushed in the chunk
          we can retrive count of an item using this method.
          >>> stream_counter_obj = StreamCounter(5,5)
          >>> data_stream = ['a','b','c']
          >>> for item in data_stream:
          ...     stream_counter_obj.add(item)
          >>> stream_counter_obj.get('a')
          1
          >>> stream_counter_obj.get('b')
          1
          >>> stream_counter_obj.get('c')
          1
          >>> stream_counter_obj.get('d')
          0
          >>> data_stream.extend(['d','e','f'])
          >>> for item in data_stream:
          ...     stream_counter_obj.add(item)
          >>> stream_counter_obj.get('a')
          0
          >>> stream_counter_obj.get('b')
          0
          >>> stream_counter_obj.get('c')
          1
          >>> stream_counter_obj.get('d')
          1
          >>> stream_counter_obj.get('e')
          1
          >>> stream_counter_obj.get('f')
          1
          '''
          c = self.counts.get(item, default)
          if not normalized:
              return c
  
          return c / float(self.counts_total)