擅长:python、mysql、java
<p>Java代码的直接等价物是一个<code>while</code>循环:</p>
<pre><code>n = [1, 2, 3, 4, 6, 7]
i = 0
while i < len(n) and i < 5:
# do sth
i += 1
</code></pre>
<p>你也可以:</p>
<pre><code>n = [1, 2, 3, 4, 6, 7]
for x in n[:5]:
# do sth
</code></pre>