如何使用python中的函数计算股票价值

Question

所以我已经试过运行我的代码了，这一直在给我一个错误。我需要计算总股票价值，但我对前进的方向感到困惑和困惑。

#a list of items in a cafe
cafeMenu = ["coffee, muffins, cake, tea"]

#a dictionary with integer keys
intKeys_stockDict = {coffee: '12'
                     muffins: '9'
                     cake: '10'
                     tea: '8'
                     }


#a dictionary with  keys
int_ Keys_priceDict = {coffee: '15'
                       muffins: '12'
                       cake: '11'
                       tea: '10'
                       }


def totalstock(stockworth):

Answer 1

#a list of items in a cafe
cafeMenu = ["coffee", "muffins", "cake", "tea"]

intKeys_stockDict = {"coffee": 12,
                     "muffins": 9,
                     "cake": 10,
                     "tea": 8
                     }
int_Keys_priceDict = {"coffee": 15,
                       "muffins": 12,
                       "cake": 11,
                       "tea": 10
                       }

totalstock = 0
for item in cafeMenu:
  totalstock += intKeys_stockDict[item]*int_Keys_priceDict[item]
print(totalstock)