擅长:python、mysql、java
<pre class="lang-py prettyprint-override"><code>compt = 9
first = 3
second = 2
for i in range(compt):
max_val = first + second
if i % max_val < first:
print("on")
else:
print("off")
</code></pre>
<p>输出:</p>
<pre class="lang-none prettyprint-override"><code>on
on
on
off
off
on
on
on
off
</code></pre>