dungeon game for review - any tips are welcome

import random

CELLS = [(0, 0), (0, 1), (0, 2),
         (1, 0), (1, 1), (1, 2),
         (2, 0), (2, 1), (2, 2)]


def get_locations():
  available_coords = CELLS[:]
  pos = ()
  def _do_pos():
    pos = available_coords.pop(available_coords.index(random.choice(available_coords)))
    return pos
  monster = _do_pos()
  door = _do_pos()
  start = _do_pos()

  return monster, door, start



def move_player(player, move):
  x = player[0]
  y = player[1]
  if move == "LEFT":
      x -= 1
  elif move == "RIGHT":
      x += 1
  elif move == "UP":
      y += 1
  elif move == "DOWN":
      y -= 1
  player = (x, y)
  return player


def get_moves(player):
  MOVES = ['LEFT', 'RIGHT', 'UP', 'DOWN']
  if player[0] == 0:
      MOVES.remove("LEFT")
  if player[0] == 2:
      MOVES.remove("RIGHT")
  if player[1] == 0:
      MOVES.remove("DOWN")
  if player[1] == 2:
      MOVES.remove("UP")
  return MOVES


monsterpos, doorpos, playerpos = get_locations()

while True:
  print("Welcome to the dungeon!")
  print("You're currently in room {}".format(playerpos))  # fill in with player position
  print("You can move {}".format(get_moves(playerpos)))  # fill in with available moves
  print("Enter QUIT to quit")

  move = input("> ")
  move = move.upper()

  if move == 'QUIT':
    break

  if move in get_moves(playerpos):
      playerpos = move_player(playerpos, move)
  elif move not in get_moves(playerpos):
      print("You cannot go there")

  if playerpos == doorpos:
      print("you have won, yay!")
      input("Press any key")
      quit()
  elif playerpos == monsterpos:
      print("ZONK!!! You're dead")
      input("Press any key")
      quit()
  else:
      continue