how to limit y axis in matplotlib code example

Example 1: set axis limits matplotlib

axes.set_xlim([xmin, xmax])
axes.set_ylim([ymin, ymax])

Example 2: ylim python

plt.ylim([a,b])

Example 3: limit axis matplotlib

plt.xlim(0, 100)

Example 4: set axis plt python

from matplotlib import pyplot as plt
plt.axis([0, 10, 0, 20])