sleep.py

import threading
import sys

def sleepsort(array):
	for a in array:
		threading.Timer(a, echo, [a]).start()

def echo(num):
	print num

if __name__ == '__main__':
	argvs = sys.argv
	argc = len(argvs)
	if argc < 2:
		quit()

	array = map(int, argvs[1:])
	sleepsort(array)

# python sleep.py 5 3 2 1