擅长:python、mysql、java
<p>对各种饮料使用字典:</p>
<pre><code>abv = {"beer": 5
"maltbeer": 7,
"tablewine": 12,
"fortifiedwine": 17,
"aperitif": 24,
"spirits": 40}
percentage = 0
for drink in drinks:
if drink in abv:
percentage += percentageCalc + abv[drink]
else:
print("don't know about %s" % drink)
percentage /= 100.0
</code></pre>
<p>我还从单个项目中删除了<code>/100</code>计算,并在末尾添加了计算结果,并实现了一个错误消息,以防饮料未知。你知道吗</p>