main.py

import json

with open('roomsjson.txt', encoding='utf-8') as data_file:
    data = json.loads(data_file.read())

class Room:
    def __init__(self, description, directions, items, monsters):
        self.description = description
        self.directions = directions
        self.items = items
        self.monsters = monsters

    def __repr__(self):
        return "{}\n{}".format(self.description, self.directions)

    def interact(self):

        direction_items = list(self.directions.items())
        for index, (key, value) in enumerate(direction_items, 1):
            print(index, key)

        direction = int(input('Select a direction to go.\n>>>'))

        for index, (key, value) in enumerate(direction_items, 1):
            if index == direction:
                return value
                
 def play():
    #current_room = all_rooms['Courtyard']
    game_running = True
    while game_running:
        direction = current_room.interact()
        current_room = all_rooms[direction]

if __name__ == "__main__":
    code = play()
    sys.exit(code)

rooms.json

[
    {"Courtyard":
    [
        "This is a Courtyard",
        [
            {
            "1": ["North", "Courtyard"]
            }
        ],
        ["Item1", "Item2"],
        ["Monster1", "Monster2"]
    ]
    },
    {"Entrance":
    [
        "This is a Entrance",
        [
            {
            "1": ["North", "Courtyard"],
            "2": ["South", "Courtyard"]
            }
        ],
        ["Item1", "Item2"],
        ["Monster1", "Monster2"]
    ]
    },
    {"Corridor":
    [
        "This is a Corridor",
        [
            {
            "1": ["South", "Courtyard"]
            }
        ],
        ["Item1", "Item2"],
        ["Monster1", "Monster2"]
    ]
    }
]