def showgood2():
"""Sets the board to keep moving through generations of life.
Allows for pausing with "p", resuming with "Enter"/"Return",
and automatically pauses the game if the board stops changing
or becomes blank."""
global board
global running
screen.onkey(gamepause, "p")
screen.onkey(gameresume, "Return")
screen.listen()
if running:
if board == next_life_generation(board) == \
next_life_generation(next_life_generation(board)) or allZeroes(board):
running = False
else:
showgood()
screen.ontimer(showgood2, t=0)
def showgood():
"""Makes the next life generation appear"""
global board
board = next_life_generation(board)
show(board)