类型 'type' 的参数不可迭代。如何？

Question

money = 0
day = 1
items = []

def gameplay():
global items
global money
global day
energy = 10
work = 0
while True:
print("Type 'help' for assistance")
play = str(input("-> ")).strip()
if play.lower() == "help":
print("""
Type :   To :                                         Cost:
'Work'    Get Money (only once then next day)          5 Energy
'Mall'    Buy Stuff                                    5 Energy
'Items'   Check Inventory                              N/A
'Money'   Check Balance Of Money                       N/A
'Energy'  Check Balance Of Energy                      N/A
'Day'     Check your day, day 1 , day 2 etc.           N/A
'Done'    End Your Day                                 N/A    """)
elif play.lower() == "work":
if work == 1:
print("You have already worked!")
else:
energy -= 5
print("Working......")
money += 5
work += 1
print("You now have $%s and %s Energy" % (money, energy))
elif play.lower() == "mall":
energy -= 5
while True:
print("What do you want to do?")
print("""
Type :   To:                                     Cost:
Coffee   Buy Normal Coffee : +2 energy next day   $4
Lottery  Buy A Lottery Ticket (per day)           $10
Money    Check Balance Of Money                   N/A
Energy   Check Balance Of Energy                  N/A
Items    Check Your Inventory                     N/A
Exit     Exit the shopping mall                   N/A
""")
mall = input("-> ").strip()
if mall.lower() == "coffee":
if "coffee" in list:
print("You have already bought a cup of coffee!")
elif money < 4:
print("You don't have enough money!")
else:
print("You bought a coffee")
items.append("coffee")
print(items)
if mall.lower() == "lottery":
if "Lottery Ticket" in list:
print("You have already bought a ticket! Try again next day!")
lot = random.randint(1, 20)
jack = random.randint(100, 1000)
while True:
if money < 10:
print("You don't have enough money!")
break
else:
list.append("Lottery Ticket")
money -= 10
print("Choose a number between 1 to 20")
try:
lotg = int(input("-> "))
if lotg == lot:
print("Congratulations you have won $%s" % (jack))
money += jack
break
elif lotg != lot:
print("Sorry but you lost! Good luck Next Time")
break
except ValueError:
print("Please Type A Number")
elif mall.lower() == "money":
print("You currently have $%s" % (money))
elif mall.lower() == "energy":
print("You currently have %s" % (energy))
elif mall.lower() == "items":
print("These are your following items:")
print(items)
elif mall.lower() == "exit":
print("Exiting mall......")
break
elif play.lower() == "items":
print("These are your following items:")
print(items)
elif play.lower() == "money":
print("You currently have $%s" % (money))
elif play.lower() == "energy":
print("You currently have %s" % (energy))
elif play.lower() == "day" :
print("Its Day %s " % (day))
elif play.lower() == "done":
while True:
print("Are You Sure?")
sure = str(input("-> "))
if sure.lower() not in ["yes","no"]:
print("Please Type Yes Or No ")
elif sure.lower() == "yes":
print("Going Home For Next Day........")
home()
elif sure.lower() == "no":
print("Okay!")
break

def noenergy():
print("You don't have enough energy to do that")
def home():
print("You are at home..")
gameplay()

它有时显示：

Traceback (most recent call last):
File "/home/alex/.config/JetBrains/PyCharm2020.1/scratches/scratch_718.py", line 120, in <module>
gameplay()
File "/home/alex/.config/JetBrains/PyCharm2020.1/scratches/scratch_718.py", line 50, in gameplay
if "coffee" in list:
TypeError: argument of type 'type' is not iterable

当我按这个顺序测试时

1. 输入->商场

2. 输入->咖啡

3. 错误信息应弹出

尝试将while循环部分更改为for循环，但仍然相同，我在单个网站上找不到任何答案

为什么会发生这种情况？循环？名单？输入？

Answer 1

list不是一个包含列表的变量，它是列表对象的类型(因此出现错误消息(。

看起来您打算使用变量items，它是一个列表，但忘记或混淆了。