擅长:python、mysql、java
<p>您正在尝试比较<code>start_number</code>这是一个整数和<code>ran</code>是字符串:</p>
<pre><code>if start_number == ran:
</code></pre>
<p>尝试这样做:</p>
<pre><code>while amount_lines >= start_number:
z = str(start_number) + "\n"
if str(start_number) == ran:
f.write(ran + " " + username + "\n")
else:
f.write(z)
start_number += 1
</code></pre>