code: def apply_grover(
      op: qml.GroverOperator,
      state,
      is_state_batched: bool = False,
      debugger=None,
  ):
      """Apply GroverOperator either via a custom matrix-free method (more than 8 operation
      wires) or via standard matrix based methods (else)."""
      if len(op.wires) < 9:
          return _apply_operation_default(
              op, state, is_state_batched, debugger
          )
      return _apply_grover_without_matrix(
          state, op.wires, is_state_batched
      )
  
imports: from functools import singledispatch
  from string import ascii_letters
  import numpy
  import pennylane
  from pennylane import math
label_desc: Use image node_id 12 for calling a global function with example usage: apply_grover(op, state, is_state_batched, debugger) and returns: _apply_grover_without_matrix, _apply_operation_default