擅长:python、mysql、java
<p>我在<a href="https://codereview.stackexchange.com/">codereview.stackexchange.com</a>上问了这个问题,得到了答案</p>
<pre><code>def get_closing(stock):
return nse.get_quote(stock)['closePrice']
stock_gen = (get_closing(stock) * qty for stock, qty in stock_qty.items())
current_value = sum(stock_gen)
</code></pre>