docstr: Assignment of index positions and scalars.
docstr_tok: ["Assignment","of","index","positions","and","scalars","."]
code: def testParseValuesWithIndexAssigment4_IgnoreUnknown(self):
      """Assignment of index positions and scalars."""
      parse_dict = hparam.parse_values(
          "x=10,foo[0]=bar,arr[1]=20,zzz=78,y=30",
          {"x": int, "y": int, "arr": int},
          ignore_unknown=True,
      )
      self.assertEqual(len(parse_dict), 3)
      self.assertIsInstance(parse_dict["arr"], dict)
      self.assertDictEqual(parse_dict["arr"], {1: 20})
      self.assertEqual(parse_dict["x"], 10)
      self.assertEqual(parse_dict["y"], 30)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.utils import hparam
  import tensorflow.compat.v1
label_desc: Use image node_id 17 for calling the HParamsTest obj's underlying member method code with example usage: obj.testParseValuesWithIndexAssigment4_IgnoreUnknown() without return types