Question

stock_listings = {
            'GOOGL': [125, 772.88, 941.53],
            'MSFT' : [85, 56.60, 73.04],
             }

此字典的格式为＆＃39; stock_name＆＃39;：[shares，purchase_price，current_price]

我需要通过使用字典中的数字计算收入并打印出收入..

收益=股票*（current_price - purchase_price）

您如何计算和打印收入？

非常感谢您的帮助！非常感谢你！

Answer 1

使用for循环

for stock in stock_listings:
    shares = stock_listings[stock][0]

等等

Answer 2

您可以遍历stock_listings字典中的每个股票。一个简单的print()解决方案就像：

for each_stock in stock_listings.keys(): # iterates over each stock symbol in the stock_listings
  curr_stock_data = stock_listings[each_stock] # gets the current stock data from the listings
  curr_stock_earnings = (curr_stock_data[2]-curr_stock_data[1]) * curr_stock_data[0] # calculates this stock earnings with your formula
  print("The stock:", each_stock, ", earned: ", curr_stock_earnings) # outputs your result

这将提供如下输出：

The stock: MSFT , earned:  1397.4000000000003
The stock: GOOGL , earned:  21081.249999999996

使用字典python3中的列表计算收益

2 个答案: