text: #import pandas as pd
  import numpy as np
  import matplotlib.pyplot as plt
  import matplotlib
  
  
  t = np.arange(0.0, 2.0, 0.01)
  s = np.sin(2*np.pi*t)
  plt.plot(t, s)
      
  plt.xlabel('time (s)')
  plt.ylabel('voltage (mV)')
  plt.title('About as simple as it gets, folks')
  plt.grid(True)
  plt.savefig("test.png")
  #plt.show()
  plt.savefig("foo.png", bbox_inches='tight')
  
  
  #matplotlib.style.use('ggplot')
  