擅长:python、mysql、java
<p>也许是这个</p>
<pre><code>def multiply():
CourseDictionary['Math'][0] = CourseDictionary['Math'] [0]*CourseDictionary['Math'][1]
CourseDictionary['Math'].pop(1)
CourseDictionary['Science'][0] = CourseDictionary['Science'] [0]*CourseDictionary['Science'][1]
CourseDictionary['Science'].pop(1)
</code></pre>
<p>这基本上是将前两项相乘,并将它们放在第一个空格中,然后删除第二项</p>