code: def variant_range(variant):
      """Returns a new Range covering variant.
  
      Args:
        variant: nucleus.genomics.v1.Variant.
  
      Returns:
        A new Range with the same reference_name, start, and end as variant.
      """
      return ranges.make_range(
          variant.reference_name, variant.start, variant.end
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import enum
  import itertools
  import six
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.util import ranges
  from third_party.nucleus.util import variantcall_utils
  from third_party.nucleus.util import vcf_constants
label_desc: Use image node_id 4 for calling a global function with example usage: variant_range(variant) and returns: ranges