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Robert Baucus
Robert Baucus
3,400 Points

Dungeon Game : get_locations(), "monster not defined" argh!

import random
import os
import sys

CELLS = [(0,0),(1,0),(2,0),(3,0),(4,0),

def clear_screen():
    if os.name == 'nt':
    else: os.system('clear')

def get_locations():
    return monster, door, player

def move_player(player, move):
    #ascertain current player location
    #if move == LEFT, x-1
    #if move == RIGHT, x+1
    #if move == UP, y-1
    #if move == DOWN, y+1
    return player

def get_move(player):
    move = ["LEFT", "RIGHT", "UP", "DOWN"]
    x, y = player
    if x == 0:
    if x == 4:
    if y == 0:
    if y == 4:
    return move

monster, door, player  = get_locations()

while True:
    print("Welcome to the DUNGEON !")
    print("You are currently in room {}".format(player)) 
    print("You can move {}".format(", ".join(get_move(player))))
    print("Enter QUIT to quit")

    move = input("> ")
    move = move.upper()
    if move == 'QUIT':
        print("I guess you were afraid of the DUNGEON!")
    When I put this into python I get the follow error from the shell:

Traceback (most recent call last): File "C:\Program Files\Python36\learningPython\dungeon_game.py", line 44, in <module> monster, door, player = get_locations() File "C:\Program Files\Python36\learningPython\dungeon_game.py", line 18, in get_locations return monster, door, player NameError: name 'monster' is not defined

For the life of me I can't figure out what is wrong ? Could someone please point me in the right direction

1 Answer

Chris Freeman
Chris Freeman
Treehouse Moderator 68,423 Points

You do not have to name the return values, Since random.sample returns a list, it will be unpacked at the calling statement. Instead, simply use:

def get_locations():
    return random.sample(CELLS,3)

For more on random.sample see [docs].

Robert Baucus
Robert Baucus
3,400 Points

Wow. I spent so much time thinking it was a syntax error. Thanks Chris!