在列表中找不到用户输入

我试图获取用户输入,并在项目列表中找到它。 我可以成功地移动到一个位置,我可以问玩家他们想拿什么。 当代码到达 if ask in myPlayer.location.items[item.name]: 我得到以下错误。

#MARK: Imports
import sys

#MARK: Classes
class Player(object):
    def __init__(self, name, location, job):
        self.name = name
        self.location = location
        self.job = job
        self.inventory = []
        self.gameOver = False

class Room(object):
    def __init__(self, name, description):
        self.name = name
        self.description = description
        self.exits = {}
        self.items = []

class Item(object):
    def __init__(self, name, description):
        self.name = name
        self.description = description

class Job(object):
    def __init__(self, name, health):
        self.name = name
        self.health = health

#MARK: Locations

yourHouse = Room("Your House", "This is your small house. Nothing has changed here")

townHall = Room("Town Hall", "This is the Town Hall. Sometimes people gather here to make decissions for the town")

townPark = Room("Town Park", "This is the towns small Park.\nThere is a small pond with a park bench on it's edge where you can sit and feed the ducks.\nA few trees provide shade.")

townGeneralStore = Room("The General Store", "The General Store is the largest building in town. Here you can buy almost everything you need.")

#MARK: Exits

yourHouse.exits = {'north': townHall, 'west': townPark}
townHall.exits = {'south': yourHouse, 'west': townGeneralStore}
townPark.exits = {'east': yourHouse, 'north': townGeneralStore}
townGeneralStore.exits = {'south': townPark, 'east': townHall}

#MARK: Jobs

fighter = Job("Fighter", 40)
sneak = Job("Sneak", 20)


#MARK: Create player

myPlayer = Player("", yourHouse, "")

#MARK: Create items
shovel = Item('Shovel', "You find a sturdy shovel. It looks like it could do some good bashing.")
stick = Item('Stick', 'You find a fragile looking stick, it looks like it could break easily.')

#MARK: Place Items
townHall.items.append(shovel)
townPark.items.append(stick)

print('\n' + myPlayer.location.name)
print(myPlayer.location.description)
room_exits = "\n" + "The exits are: \n"
for character in room_exits:
    sys.stdout.write(character)
    sys.stdout.flush()
for exit in myPlayer.location.exits:
    print(exit)
#MARK: Main game loop
while myPlayer.gameOver is False:
   # Start player in their house

    
    action = input('>')
    plaAction = action.lower()
    
    # Movement
    if plaAction in ['north', 'south', 'east', 'west']:
        if plaAction in myPlayer.location.exits:
            myPlayer.location = myPlayer.location.exits[action]
            print("\n" "You went to " + myPlayer.location.name + '.')
            print("\n" + myPlayer.location.description)
        for exit in myPlayer.location.exits:
            print(exit)
    
    # Pick up items
    if plaAction in ['get']:
        ask = input("What would you like to pick up?\n")
        print(type(ask))
        print(type(myPlayer.location.items))
        for item in myPlayer.location.items:
            if ask in myPlayer.location.items[item.name]:
                myPlayer.inventory.append(ask)
                print('You have picked up the ' + ask)
                print(myPlayer.inventory)
    
    # Exit Game command
    if plaAction == 'exit':
        myPlayer.gameOver = True

当代码到达 如果在myPlayer.location.items[item.name]中询问: 我得到以下错误。查找如何检查列表中的字符串,结果显示这应该是可能的。

enter image description here