#In this program we create a list of pictures,
#then display them one by one in a slide show.
def classpix():
  piclist=[]
  filename=pickAFile()
  while filename != "":
    piclist=piclist+[makePicture(filename)]
    filename=pickAFile()
  for pic in piclist:
    #This next is a crude way to
    #pause the display
    for x in range(0,10000000):
      y=0
    show(pic)