擅长:python、mysql、java
<p>我很难理解您的代码试图实现什么,但这会修复您的语法错误:</p>
<pre><code>for i in range(4):
instancelist[i].listt.append(supClass())
# listt is a list object. To access the last item, use [-1].
# supList has a capital L.
instancelist[i].listt[-1].supList.append(i)
instancelist[i].code = 12
for i in range(4):
# It looks like you want to print the supList for each supClass item in list:
print [s.supList for s in instancelist[0].listt]
</code></pre>