def enter():
global guy, bg, wall, map, death, portal, clear, deathcount
deathcount = 0
guy = Guy()
portal = Portal()
map = create_map()
bg = Background()
death = Death()
clear = Clear()
guy.set_bg(bg)
bg.set_guy(guy)
death.set_bg(bg)
death.set_guy(guy)
clear.set_bg(bg)
clear.set_guy(guy)
portal.set_bg(bg)
for wall in map:
wall.set_bg(bg)
