code: def test_update_implicit_index_multi(self):
      data = [{"a": 1, "b": 2}, {"a": 2, "b": 3}, {"a": 4, "b": 5}]
      tbl = Table(data)
      view = tbl.view()
      tbl.update(
          [
              {
                  "__INDEX__": [0],
                  "a": 3,
              },
              {"__INDEX__": [2], "a": 5},
          ]
      )
      assert view.to_records() == [
          {"a": 3, "b": 2},
          {"a": 2, "b": 3},
          {"a": 5, "b": 5},
      ]
  
imports: import numpy
  import pyarrow
  import pandas
  from datetime import date, datetime
  from perspective.table import Table
  from pytest import mark
label_desc: Use image node_id 52 for calling the TestUpdate obj's underlying member method code with example usage: obj.test_update_implicit_index_multi() without return types