code: def _check_ax_limits(col, ax):
      y_min, y_max = ax.get_ylim()
      assert y_min <= col.min()
      assert y_max >= col.max()
  
imports: import itertools
  import string
  import numpy
  import pytest
  from pandas import DataFrame, MultiIndex, Series, date_range, plotting, timedelta_range
  import pandas._testing
  from pandas.tests.plotting.common import _check_axes_shape, _check_box_return_type, _check_plot_works, _check_ticks_props, _check_visible
  from pandas.io.formats.printing import pprint_thing
label_desc: Use image node_id 1 for calling a global function with example usage: _check_ax_limits(col, ax) without return types