code: def greedy_merge(
          variant_sequences,
          min_overlap_size=MIN_VARIANT_SEQUENCE_ASSEMBLY_OVERLAP_SIZE):
      
      merged_any = True
      while merged_any:
          variant_sequences, merged_any = greedy_merge_helper(
              variant_sequences,
              min_overlap_size=min_overlap_size)
      return variant_sequences
docs: Greedily merge overlapping sequences into longer sequences.
  
      Accepts a collection of VariantSequence objects and returns another
      collection of elongated variant sequences. The reads field of the
      returned VariantSequence object will contain reads which
      only partially overlap the full sequence.