from pylab import figure, show, legend, ylabel
# create the general figure
fig1 = figure()
# and the first axes using subplot populated with data
ax1 = fig1.add_subplot(111)
line1 = ax1.plot([1,3,4,5,2], ‘o-‘)
ylabel(“Left Y-Axis Data”)
# now, the second axes that shares the x-axis with the ax1
ax2 = fig1.add_subplot(111, sharex=ax1, frameon=False)
line2 = ax2.plot([10,40,20,30,50], ‘xr-‘)
ax2.yaxis.tick_right()
ax2.yaxis.set_label_position(“right”)
ylabel(“Right Y-Axis Data”)
# for the legend, remember that we used two different axes so, we need
# to build the legend manually
legend((line1, line2), (“1”, “2”))
show()
modelhelptokyo 