new_contents: import argparse
  import datetime
  import time
  from os import linesep
  
  import psutil
  
  
  def system_stats(duration):
      for _ in range(duration):
          now = datetime.datetime.isoformat(datetime.datetime.utcnow())
          cpu = psutil.cpu_percent()
          mem = psutil.virtual_memory().percent
          net = psutil.net_io_counters()
          
          yield now, cpu, mem, net.bytes_sent, net.bytes_recv
          time.sleep(1)
  
  def main(duration=60, outfile='systemstats.csv', quiet=False):
      with open(outfile, 'wb') as f:
          line = 'time,cpu_usage,memory_usage,bytes_sent,bytes_received'
          if not quiet: 
              print line
          f.write(line + linesep)
  
          for snapshot in system_stats(duration):
              line = '{},{},{},{},{}'.format(*snapshot)
              if not quiet:
                  print line
              f.write(line + linesep)
  
  if __name__ == "__main__":
      import argparse
  
      parser = argparse.ArgumentParser(description='Gather data about the system and record it in a file')
      parser.add_argument('-d','--duration', default=60, type=int)
      parser.add_argument('--output-file', default='systemstats.csv')
      parser.add_argument('-q', '--quiet', default=False, type=bool)
      args = parser.parse_args()
      main(args.duration, args.output_file, args.quiet)
  
  
subject: Add script to collect data from the system