擅长:python、mysql、java
<p>是的,<a href="http://docs.python.org/reference/compound_stmts.html#for" rel="nofollow noreferrer">Python Language Reference</a>保证了这一点(重点是我的):</p>
<pre><code> for_stmt ::= "for" target_list "in" expression_list ":" suite
["else" ":" suite]
</code></pre>
<blockquote>
<p>"The suite is then executed once for each item provided by the
iterator, <strong>in the order of ascending indices</strong>."</p>
</blockquote>