from time import sleep, ctime def loop0(): print 'start loop 0 at:', ctime() sleep(4) print 'loop 0 done at:', ctime() def loop1(): print 'start loop 1 at:', ctime() sleep(2) print 'loop 1 done at:', ctime() print 'starting at:', ctime() loop0() loop1() print 'all DONE at:', ctime()