code: def get_bucket_id(self, length):
      for i, bucket_len in enumerate(self.bucket_lengths):
          if length <= bucket_len:
              return i
  
      return len(self.bucket_lengths)
  
label_desc: Use image node_id 2 for calling the SentenceGrouper obj's underlying member method code with example usage: obj.get_bucket_id(length) and returns: len, i