text: from matplotlib import pyplot as plt
  
  friends = [ 70,  65,  72,  63,  71,  64,  60,  64,  67]
  minutes = [175, 170, 205, 120, 220, 130, 105, 145, 190]
  labels =  ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i']
  
  plt.scatter(friends, minutes)
  
  # label each point
  for label, friend_count, minute_count in zip(labels, friends, minutes):
      plt.annotate(label,
          xy=(friend_count, minute_count), # put the label with its point
          xytext=(5, -5),                  # but slightly offset
          textcoords='offset points')
  
  plt.title("Daily Minutes vs. Number of Friends")
  plt.xlabel("# of friends")
  plt.ylabel("daily minutes spent on the site")
  plt.show()