code: def rcparams(circuit):
      plt.rcParams["patch.facecolor"] = "mistyrose"
      plt.rcParams["patch.edgecolor"] = "maroon"
      plt.rcParams["text.color"] = "maroon"
      plt.rcParams["font.weight"] = "bold"
      plt.rcParams["patch.linewidth"] = 4
      plt.rcParams["patch.force_edgecolor"] = True
      plt.rcParams["lines.color"] = "indigo"
      plt.rcParams["lines.linewidth"] = 5
      plt.rcParams["figure.facecolor"] = "ghostwhite"
  
      fig, ax = qml.draw_mpl(circuit, style="rcParams")(1.2345, 1.2345)
  
      plt.savefig(folder / "rcparams.png")
      plt.close()
      qml.drawer.use_style("black_white")
  
file_path: pennylane/doc/_static/draw_mpl/draw_mpl_examples.py
imports: import pathlib
  import matplotlib.pyplot
  import pennylane
  from pennylane import draw_mpl
label_desc: Use image node_id 6 for calling a global function with example usage: rcparams(circuit) without return types