code: def _example_cigar_string_and_units(repeat=3):
      examples = {}
      for x in itertools.product(
          _CIGAR_TUPLES_AND_CIGAR_UNITS, repeat=repeat
      ):
          lengths_and_opstrs, cigar_units = zip(*x)
          cigar_str = "".join(
              str(l) + opstr for l, opstr in lengths_and_opstrs
          )
          examples[cigar_str] = list(cigar_units)
      return examples
  
file_path: deepvariant/third_party/nucleus/util/cigar_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import itertools
  from absl.testing import absltest
  from absl.testing import parameterized
  from third_party.nucleus.protos import cigar_pb2
  from third_party.nucleus.util import cigar
label_desc: Use image node_id 1 for calling a global function with example usage: _example_cigar_string_and_units(repeat) and returns: examples