how to set y axis range in matplotlib code example

Example 1: set axis limits matplotlib

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

Example 2: how to set axis range matplotlib

# For a given y=time-dependent variable, x=time
fig, ax = plt.subplots(figsize=(12, 6))

ax.plot(y, label='y')
#'lower' is lower limit of the range you wanna set
#'upper' is upper limit of the range you wanna set
plt.xlim(lower, upper)

Example 3: set axis plt python

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