擅长:python、mysql、java
<p>portfolio是testQ2中唯一没有计算的参数。你需要有一个全局值,或者读入(可能在另一个函数中)。计算后,按适当的顺序返回值。</p>
<pre><code>def testQ2():
portfolio = getPortfolio()
tp = total_purchase_price(portfolio)
tv = total_value(portfolio)
tg = total_gain(tp, tv, portfolio)
print("Total Cost =", tp)
print("Current Value =", tv)
print("Total gain/lost =", tg)
return portfolio, tp, tv, tg
</code></pre>