new_contents: #!/usr/bin/env python3
  
  import os, sys
  sys.path.append(os.path.dirname(__file__))
  
  import random, support
  import matplotlib.pyplot as pp
  
  support.figure()
  app_count = support.count_apps()
  user_count = support.count_users()
  while True:
      while True:
          app = None
          user = random.randrange(user_count)
          data = support.select_interarrivals(app=app, user=user)
          if len(data) >= 10: break
      pp.clf()
      pp.plot(data)
      pp.title('App {}, User {}, Samples {}'.format(app, user, len(data)))
      pp.pause(1)
      input()
  
subject: Add a script for the exploration of app-user pairs