for t in [t for t in self.things if not t.type_ == 'Player']:
write(f, 'THING %s %s %s %s' % (t.position[0],
t.position[1], t.type_, t.id_))
for t in [t for t in self.things if not t.type_ == 'Player']:
write(f, 'THING %s %s %s %s' % (t.position[0],
t.position[1], t.type_, t.id_))