class_docstr: Test dunder and other visualizing methods.
class_docstr_tok: ["Test","dunder","and","other","visualizing","methods","."]
docstr: Test __getitem__ method.
docstr_tok: ["Test","__getitem__","method","."]
code: def test_getitem(self, ops_lst):
      """Test __getitem__ method."""
      op = ValidOp(*ops_lst)
      for i, operand in enumerate(ops_lst):
          assert op[i] == operand
  
imports: from copy import copy
  import numpy
  import pytest
  import pennylane
  from pennylane.operation import DecompositionUndefinedError
  from pennylane.ops.op_math import CompositeOp, Prod, Sum, SProd
  from pennylane.wires import Wires
label_desc: Use image node_id 7 for calling the TestMscMethods obj's underlying member method code with example usage: obj.test_getitem(ops_lst) without return types