code: def _postprocessing_qnode(x, y, z):
      for w in dev.wires:
          qml.RX(x, wires=w)
      for w in dev.wires:
          qml.RY(y, wires=w)
      for w in dev.wires:
          qml.RZ(z, wires=w)
      return [qml.expval(qml.PauliZ(w)) for w in dev.wires]
  
imports: import functools
  import pytest
  from scipy.optimize import shgo
  import pennylane
  from pennylane import numpy
  from pennylane.utils import _flatten, unflatten
  from pennylane.optimize import RotosolveOptimizer
label_desc: Use image node_id 11 for calling a global function with example usage: _postprocessing_qnode(x, y, z) and returns: unknown