擅长:python、mysql、java
<p>我会这么做:</p>
<pre><code>files = ["planet_{}.gif".format(num) for num in range (1,4)]
for filename in files:
f = open (filename) .... and so on
</code></pre>
<p>当你有一张所有图片的列表时</p>
<pre><code>image_to_display = random.choice (image_list)
</code></pre>