code: def circuit0_block(wires):
      qml.PauliX(wires=wires[1])
      qml.PauliZ(wires=wires[0])
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane.templates.tensornetworks.mera import MERA, compute_indices
label_desc: Use image node_id 1 for calling a global function with example usage: circuit0_block(wires) without return types