code: def dummy_qnode(x):
      qml.RX(x, wires=0)
      return qml.expval(qml.PauliZ(0))
  
imports: from inspect import signature
  from itertools import chain
  from functools import reduce
  import pytest
  import numpy
  import pennylane
  from pennylane import numpy
  from pennylane.fourier.reconstruct import _reconstruct_equ, _reconstruct_gen, _prepare_jobs, reconstruct
  from pennylane.fourier.utils import join_spectra
label_desc: Use image node_id 1 for calling a global function with example usage: dummy_qnode(x) and returns: qml