<p>我有一个这样的嵌套循环:</p>
<pre><code>for a in b.keys():
for c in b[a]:
out = '%-30s %s' % (c, a)
space = out.count(' ')
split = space * '-'
print '\t%-30s %s %-10s' % (c, split, a)
</code></pre>
<p>所以结果是:</p>
^{pr2}$
<p>但我想要的是:</p>
<pre><code>test1 -------------- something1
test23sdfsf -------- dsffdgdgfddfsdf
</code></pre>