擅长:python、mysql、java
<p>你在找什么</p>
<pre><code>"{:<10}{}".format(a, b)
</code></pre>
<p>这里记录了这一点<a href="https://docs.python.org/3.4/library/string.html" rel="nofollow noreferrer">https://docs.python.org/3.4/library/string.html</a></p>
<p>对于可变填充(感谢@Tomerikoo):</p>
<pre><code>x = 10
"{:<{size}}{}".format(a, b, size=x)
</code></pre>