Basic Graph Plot in Python

import wx
import numpy as np
import matplotlib.pyplot as plt

def plot2():

	#t = np.arange(0, 1, 2, 3, 4, 5, 6, 7, 8)
	#s = np.arrange([1, 2, 4, 8, 16, 32, 64, 128, 256])

  t = [0, 10, 20, 30, 40, 50, 60, 70, 80]
  s = [1, 2, 4, 8, 16, 32, 64, 128, 256]

  plt.plot(t, s)

  plt.ylabel('Intensity')

  plt.show()

plot2()