<blockquote>
<p>Takes two strings and returns <code>True</code> if the strings contain the same characters regardless of the number of occurrences or the order in which they occur. Must consider all characters and is case-sensitive (e.g., <code>sameChars("AA","a")</code> returns <code>False</code>, while <code>sameChars("FgFFF","ggFF")</code> returns <code>True</code>.</p>
</blockquote>
<p>我的代码是:</p>
<pre><code>def sameChars(s1, s2):
if s1 <= s1:
return True
else:
return False
</code></pre>
<p>如果我输入以下内容,函数将返回<code>true</code>:</p>
<pre><code>print sameChars('AA', 'a')
</code></pre>
<p>但是它应该返回<code>false</code>。你知道吗</p>