how to display a figure in matplotlib python code example

Example 1: matplotlib show plot

import matplotlib.pyplot as plt

plt.plot(x, y)
plt.plot(z, t)
plt.show()

Example 2: figure in matplotlib

pyplot.figure(num=None, figsize=None, dpi=None, facecolor=None, 
			edgecolor=None, frameon=True, FigureClass=<class 'matplotlib.figure.Figure'>, 
            clear=False, **kwargs)