old_contents: """
  Wade Mauger
  October 2015
  
  SleepSort implemented in Python.
  I do what I want. 
  """
  import threading
  import sys
  from time import sleep
  
  sort_list = []
  
  def validate_list():
  	for num in sys.argv:
  		try:
  			sort_list.append(int(num))
  		except ValueError:
  			pass
  
  
  def sleep_sort(n):
  	sleep(n)
  	print(n, end=", ")
  
  
  def main():
  	validate_list()
  	for num in sort_list:
  		threading.Thread(target=sleep_sort, args=(num, )).start()
  
  
  main()
  
new_contents: """
  sleep-sort.py
  Wade Mauger
  October 2015
  Python 3.4
  
  SleepSort implemented in Python.
  I do what I want. 
  
  Pass numbers to be sorted in as parameters
  ex:
  
  python3 sleep-sort.py 2 1 3
  
  """
  import threading
  import sys
  from time import sleep
  
  sort_list = []
  
  def validate_list():
  	for num in sys.argv:
  		try:
  			sort_list.append(int(num))
  		except ValueError:
  			pass
  
  
  def sleep_sort(n):
  	sleep(n)
  	print(n, end=", ")
  
  
  def main():
  	validate_list()
  	for num in sort_list:
  		threading.Thread(target=sleep_sort, args=(num, )).start()
  
  
  main()
  
subject: add directions to the comments