擅长:python、mysql、java
<p>我想你可以直接把它读成逗号分隔的文本文件。根据您的需要,您可以查看每行的tag2和tag3。你知道吗</p>
<pre><code>with open(filename, "r") as fs:
for line in fs:
cell_list = line.split(",")
# This point you will have all elements on the line as a list
# you can check for the size and implement your logic
</code></pre>