text: #!/usr/bin/env python
  
  from matplotlib.ticker import MultipleLocator
  from pylab import *
  from data_helper import get_two_stock_data
  
  d1, p1, d2, p2 = get_two_stock_data()
  
  ax = subplot(111)
  lines = plot(d1, p1, 'bs', d2, p2, 'go')
  xlabel('Days')
  ylabel('Normalized price')
  xlim(0, 3)
  ax.xaxis.set_major_locator(MultipleLocator(1))
  
  title('INTC vs AAPL')
  legend( ('INTC', 'AAPL') )
  #savefig('stock_demo')
  show()
  