code: def test_subplotzero_ylabel():
      fig = plt.figure()
      ax = fig.add_subplot(111, axes_class=SubplotZero)
  
      ax.set(xlim=(-3, 7), ylim=(-3, 7), xlabel="x", ylabel="y")
  
      zero_axis = ax.axis["xzero", "yzero"]
      zero_axis.set_visible(True)  # they are hidden by default
  
      ax.axis["left", "right", "bottom", "top"].set_visible(False)
  
      zero_axis.set_axisline_style("->")
  
file_path: matplotlib/lib/mpl_toolkits/axisartist/tests/test_axislines.py
imports: import numpy
  import matplotlib.pyplot
  from matplotlib.testing.decorators import image_comparison
  from matplotlib.transforms import IdentityTransform
  from mpl_toolkits.axisartist.axislines import AxesZero, SubplotZero, Subplot
  from mpl_toolkits.axisartist import Axes, SubplotHost
label_desc: Use image node_id 8 for calling a global function with example usage: test_subplotzero_ylabel() without return types