Hi everyone 
i tried to make item in adventure text based game but it seems not working i make the variable for key so when the variable go to number 1 it would open the door but when i tried it.It show me an error : Name:Global name key_work_room is not defined
here my script(fixed for global variable):
from sys import exit
global key_work_room
key_work_room = 0
def work_room():
global key_work_room
if key_work_room == 1:
print "There is a book."
print"""Choices:
1.Read
2.Leave
"""
next = raw_input(">")
if next == "1":
print """
Go to the Dark corridor and there is a door that
keep a magic sword.It can used to kill demon
in that door there is a key
541
"""
elif next== "2":
stair()
else:
print "Check your spelling."
print " "
work_room()
else:
print "Check your spelling."
print " "
work_room()
def bed_room():
print "there is a key in the desk."
print """choices:
1.Take.
2.leave.
"""
next = raw_input("> ")
if next == "1":
global key_work_room
key_work_room += 1
stair()
elif next == "2":
stair()
else:
print "Check your spelling."
print " "
bed_room()
def second_floor():
print "There is so many torch in this room but there is a dark side."
print """Choices:
1.Take the torch.
2.Go to the dark side.
3.back
"""
next = raw_input("> ")
if next == "1":
print "You get the torch"
torch = 1
second_floor()
elif next == "2":
print "Something lurking in the dark attack you..."
elif next == "3":
stair()
else:
print "Check your spelling."
print " "
second_floor()
def stair():
print key_work_room
print "Now you're in the 2nd floor."
print "There are 4 room."
print "which one do you choose? or Do you want take a look around?"
print "1. to look door 1."
print "2. to look door 2."
print "3. to look door 3."
print "4. to look door 4."
print "5. to look around."
next = raw_input("> ")
if next == "1":
king_throne()
elif next == "2":
bed_room()
elif next == "3":
veranda()
elif next == "4":
work_room()
elif next == "5":
second_floor()
elif next == "exit":
exit(0)
else:
print "Check your spelling."
print " "
stair()
def living_room():
print "you find yourself in living room."
print "You don't remember anything it looks like something hit your head."
print "You now fully regain your consciousness."
print "You start to walking and you found a stair and dark corridor."
next = raw_input("> ")
if next == "stair":
stair()
elif next == "dark corridor":
dark_corridor
elif next == "exit":
exit(0)
else:
print "Check your spelling."
print " "
living_room()
def start():
print "Welcome in Fantasy World."
print "This is simple game type 'exit' to exit."
print "choose your destination by type the destination name."
print "Are you boy or girl?"
character = raw_input("> ")
if character == "boy" in character or "girl" in character:
living_room()
elif character == "exit":
exit(0)
else:
print "Check your spelling."
print " "
start()
def dead():
print "you died and the mystery still uncovered."
print """Choices:
1.Play again
2.Take a rest.
"""
choice = raw_input("> ")
if choice == "1":
start()
elif choice == "2":
exit(0)
else:
print "Check your spelling."
print " "
dead()
start()
it haven't finished yet but i need key to know how make the variable for item work also if you find anything weird in my script please tell me
.Thank you
