code: def simplify_rotation(op):
      """Simplify Rot(x, 0, 0) to RZ(x) or Rot(0,0,0) to Identity"""
      if op.name == "Rot":
          params = op.parameters
          wires = op.wires
  
          if qml.math.allclose(params, 0):
              return None
  
          if qml.math.allclose(params[1:2], 0):
              return qml.RZ(params[0], wires)
  
      return op
  
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane.transforms.op_transforms import OperationTransformError
label_desc: Use image node_id 1 for calling a global function with example usage: simplify_rotation(op) and returns: op, None, qml