old_contents: def ack(n, m):
    "Returns Ackerman of input"
    if m == 0:
      return n+1
    elif m > 0 and n == 0:
      return ack(m - 1, n)
    elif m > 0 and n > 0:
      return ack(m-1, ack(m, n - 1))
  
  i = 0
   
  while true:
    for x in range(9):
      print(ack(i, x))
    i++
  
new_contents: def ack(n, m):
    "Returns Ackerman of input"
    if m == 0:
        return n + 1
    elif m > 0 and n == 0:
        return ack(m - 1, n)
    elif m > 0 and n > 0:
        return ack(m - 1, ack(m, n - 1))
  
  i = 0
  while True:
    for x in range(9):
        print(ack(i, x))
    i += 1
  
subject: fix bugs