code: def _black_white_dark():
      """Apply the black and white dark style to matplotlib's configuration. This functions modifies ``plt.rcParams``."""
      almost_black = "#151515"  # less harsh than full black
      plt.rcParams["savefig.facecolor"] = almost_black
      plt.rcParams["figure.facecolor"] = almost_black
      plt.rcParams["axes.facecolor"] = almost_black
      plt.rcParams["patch.edgecolor"] = "white"
      plt.rcParams["patch.facecolor"] = almost_black
      plt.rcParams["patch.force_edgecolor"] = True
      plt.rcParams["lines.color"] = "white"
      plt.rcParams["text.color"] = "white"
      plt.rcParams["path.sketch"] = None
  
file_path: pennylane/pennylane/drawer/style.py
label_desc: Use image node_id 3 for calling a global function with example usage: _black_white_dark() without return types