python - How to pass local variables from one function into another? -

i trying make text-based game having troubles passing variables 1 function another. figured out how modify variable inside function , return new values overwrite original.

what need how room1() , room2() variables something1(x) , something2(y) , main() unlock if statement.

should have 2 different or 1 function something1(x) , something2(y)?

this general sample code problem i'm having:

def something1(x):     x += 0     return x  def something2(y):     y += 0     return y      def main():     print("1. try open door")     print("2. go room1")     print("3. go room2")     choice = int(input("enter selection: ")     if choice == "1":       # trying if statement work variables      # don't know function or parameters pass in order work          if x == 3 , y == 2:             print("you're free")         else:             print("you're not free")     elif choice == "2":         room1()     elif choice == "3":         room2()     else:         print("error")         main()  def room1():     print("1. push thing1")     print("2. push thing2")     print("3. push thing3")     print("4. return previous room")     pushchoice = input("enter selection: ")     if pushchoice == "1":         print("thing1 pushed")         room1()     elif pushchoice == "2":         print("thing2 pushed")         room1()     elif pushchoice == "3":         print("thing3 pushed")       # modified variable x something1(x)          x = 3         x = something1(x)         room1()     elif pushchoice == "4":         main1()     else:         print("error")         room1()  def room2():     print("1. pull thinga")     print("2. pull thingb")     print("3. pull thingc")     print("4. return previous room")     pullchoice = input("enter selection: ")     if pullchoice == "1":         print("thinga pushed")         room1()     elif pullchoice == "2":         print("thingb pushed")        # modified variable y something2(y)          y = 2         y = something1(y)                room1()     elif pullchoice == "3":         print("thingc pushed")         room1()     elif pullchoice == "4":         main1()     else:         print("error")         room1() 

you pass variable 1 function returning variable. however, in order that, function has call function within function body, example:

def addandsquare(x, y):     y = squarefunction(x+y) # sum x+y passed squarefunction, returns square , stores in y.     return y  def squarefunction(a):     return (a*a) # returns square of given number  print(addandsquare(2, 3)) # prints 25 

however, if cannot call function within it's body, use local variable of function, can declare variable global both functions.

here example of that:

globvar = 0  def set_globvar_to_one():     global globvar    # needed modify global copy of globvar     globvar = 1  def print_globvar():     print globvar     # no need global declaration read value of globvar  set_globvar_to_one() print_globvar()       # prints 1 

hope helps!