import random

def meadow():
    print ("Hello World you are in a bright and \n\
grass covered meadow - you see a cave and a forest in front of you")
    choice = input("Type cave or forest")
    if choice == "cave" :
        print("Ok you are in a cave")
        cave()
    elif choice == "forest" :
        print("Ok you are in a forest now")
        forest()
    elif choice == "i" :
        PrintInventory()
        meadow()
    else:
        print("Wrong choice only forest or cave") 
        meadow()

def cave():
    print ("Hello World you are in a dark \n\
gloomy cave outside is a meadow you see a small box on the ground")
    choice = input("Type meadow or Get box or i")
    if choice == "meadow" :
        meadow()
    elif choice == "Get box" :
        AddToInventory("Small Box")
        cave()
    elif choice == "i" :
        PrintInventory()
        cave()
    else:
        print("Wrong choice only meadow or i") 
        cave()
    
def forest():
    options = ["Oak", "Pine", "Elm", "Beech"]
    print ("Hello World you are in a tall dark " + random.choice(options) + "\n\
forest behind you is a cave to your left is a meadow")
    choice = input("Type meadow or cave or deep or i")
    if choice == "meadow" :
        meadow()
    elif choice == "cave" :
        cave()
    elif choice == "deep" :
        deep()    
    elif choice == "i" :
        PrintInventory()
        forest()
    else:
        print("Wrong choice only meadow or cave or i") 
        forest()

def deep():
    options = ["very dark", "Sinister", "pitch dark", "scary"]
    print ("Hello World you are in a " + random.choice(options) + " forest \n\
you cannot see anything apart from the glint of a blade")
    choice = input("Type forest or get knife or i")
    if choice == "forest" :
        forest()
    elif choice == "get knife" :
        AddToInventory("knife")
        deep()
    elif choice == "i" :
        PrintInventory()
        deep()
    else:
        print("Wrong choice only meadow or cave or i") 
        deep()


def PrintInventory():
    if not inventory:
        print("You have nothing")
    else:
        print("\n You are Carrying:")
        print(inventory)

def AddToInventory(item):
    global inventory
    if item in inventory:
        print("You already have the " + item + " in the inventory")
    else:
        inventory.append(item);

inventory = []

meadow()