hasQuit = False
hasLatern = False
hasPen = False
DRAWING_ROOM = 1
SUPPLY_ROOM = 2
NEITHER_ROOM = 3
location = DRAWING_ROOM
while(hasQuit == False):
    while(location == DRAWING_ROOM):
        print("DRAWING ROOM OPTIONS")
        if (hasPen == True):
            print("(d)raw on the wall")
        if (hasLatern == False):
            print("(l)atern")
        print("(s)upply room")
        print("(q)uit")
        selection = input("Your selection: ")
        if ((selection == "q") or (selection == "Q")):
            hasQuit = True
            location = NEITHER_ROOM
        elif ((selection == "d") or (selection == "D")):
            if (hasPen == True):
                print("You doodle on the wall, feel better now?")
            else:
                print("You have no pen to draw with")
        elif ((selection == "s") or (selection == "S")):
            location = SUPPLY_ROOM
        elif ((selection == "l") or (selection == "L")):
            if (hasLatern == False):
                hasLatern = True
            else:
                print("You already have the latern")
        print()

    while(location == SUPPLY_ROOM):
        print("SUPPLY ROOM OPTIONS")
        print("(d)rawing room")
        if (hasLatern == True):
            print("(p)en")
        print("(q)uit")
        selection = input("Your selection: ")
        if ((selection == "q") or (selection == "Q")):
            hasQuit = True
            location = NEITHER_ROOM
        elif ((selection == "d") or (selection == "D")):
            location = DRAWING_ROOM
        elif ((selection == "p") or (selection == "P")):
            if (hasPen == False):
                hasPen = True
            else:
                print("You pick up another pen")
        print()
        

print("Has quit value=", hasQuit)