new_contents: import os
  import threading
  import sys
  port=5000
  
  def new_serve():
    global port
    port=port + 1
    os.system('python dummy_vm_server.py '+str(port))
  def master_server():
    os.system('python master_server.py')
  if __name__ == '__main__':
    t=threading.Thread(target=master_server)
    t.start()
    z=int(sys.argv[1])
    for i in range(z):
      t=threading.Thread(target=new_serve)
      t.start()
    
  
subject: Create start.py