code: def test_drawstyle_variants():
      fig, axs = plt.subplots(6)
      dss = [
          "default",
          "steps-mid",
          "steps-pre",
          "steps-post",
          "steps",
          None,
      ]
      # We want to check that drawstyles are properly handled even for very long
      # lines (for which the subslice optimization is on); however, we need
      # to zoom in so that the difference between the drawstyles is actually
      # visible.
      for ax, ds in zip(axs.flat, dss):
          ax.plot(range(2000), drawstyle=ds)
          ax.set(xlim=(0, 2), ylim=(0, 2))
  
imports: import itertools
  import platform
  import timeit
  from types import SimpleNamespace
  from cycler import cycler
  import numpy
  from numpy.testing import assert_array_equal
  import pytest
  import matplotlib
  import matplotlib
  from matplotlib import _path
  import matplotlib.lines
  from matplotlib.markers import MarkerStyle
  from matplotlib.path import Path
  import matplotlib.pyplot
  import matplotlib.transforms
  from matplotlib.testing.decorators import image_comparison, check_figures_equal
label_desc: Use image node_id 10 for calling a global function with example usage: test_drawstyle_variants() without return types