import numpy as np
import matplotlib.pyplot as plt
# create some data
x = np.arange(-2, 20, 0.5) # values of x
y1 = map(lambda x: -4.0/3.0*x + 16, x) # values of y1(x)
y2 = map(lambda x: 0.2*x**2 -5*x + 32, x) # svalues of y2(x)
fig = plt.figure()
ax1 = fig.add_subplo...