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#_*_coding:utf8
#
# Need to install matplotlib
#
import numpy as np
import pylab as pl

x1 = [1, 2, 3, 4, 5, 6, 7]# Make x, y arrays for each graph
y1 = [456.4, 412.98, 378.34, 345.98, 310.3, 297.89, 234.9]

x2 = [1, 2, 3, 4, 5, 6, 7]
y2 = [478.45, 450.9, 411.89, 369.6, 340.34, 305.67, 286.56]
# use pylab to plot x and y
pl.plot(x1, y1, '.-', label='Line1')
pl.plot(x2, y2, '.-', label='Line2')
pl.legend()

pl.title('This is title')# give plot a title
pl.xlabel('X row') # make axis labels
pl.ylabel('Y row')

pl.xlim(0.0, 9.0)# set axis limits
pl.ylim(200.0, 500.0)

#pl.show()# show the plot on the screen
pl.savefig('a.png')