code: def decimals():
      with qml.tape.QuantumTape() as tape2:
          qml.RX(1.23456, wires=0)
          qml.Rot(1.2345, 2.3456, 3.456, wires=0)
          qml.expval(qml.PauliZ(0))
  
      fig, ax = tape_mpl(tape2, decimals=2)
      plt.savefig(folder / "decimals.png")
      plt.close()
  
file_path: pennylane/doc/_static/tape_mpl/tape_mpl_examples.py
imports: import pathlib
  import matplotlib.pyplot
  import pennylane
  from pennylane.drawer import tape_mpl, use_style
label_desc: Use image node_id 2 for calling a global function with example usage: decimals() without return types