"""
=============
Pyplot Simple
=============

A most simple plot, where a list of numbers is plotted against their index.
"""
import matplotlib.pyplot as plt
plt.plot([1, 2, 3, 4])
plt.ylabel('some numbers')
plt.show()

#############################################################################
#
# ------------
#
# References
# """"""""""
#
# The use of the following functions, methods, classes and modules is shown
# in this example:

import matplotlib
matplotlib.pyplot.plot
matplotlib.pyplot.ylabel
matplotlib.pyplot.show