Axes
matplotlib.axes.Axes.get_ylim
Axes.
get_ylim
Get the y-axis range
Returns the current y-axis limits as the tuple (bottom, top).
bottom
top
Notes
The y-axis may be inverted, in which case the bottom value will be greater than the top value.
Different scales on the same axes
Scatter Hist
Line, Poly and RegularPoly Collection with autoscaling