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<p>给定一个头节点为 <code>head</code> 的单链表用于记录一系列核心肌群训练编号,请将该系列训练编号 <strong>倒序</strong> 记录于链表并返回。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre>
<strong>输入:</strong>head = [1,2,3,4,5]
<strong>输出:</strong>[5,4,3,2,1]
</pre>
<p>&nbsp;</p>
<p><strong>示例 2</strong></p>
<pre>
<strong>输入:</strong>head = [1,2]
<strong>输出:</strong>[2,1]
</pre>
<p>&nbsp;</p>
<p><strong>示例 3</strong></p>
<pre>
<strong>输入:</strong>head = []
<strong>输出:</strong>[]
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li>链表中节点的数目范围是 <code>[0, 5000]</code></li>
<li><code>-5000 &lt;= Node.val &lt;= 5000</code></li>
</ul>
<p>&nbsp;</p>
<p><strong>注意</strong>:本题与主站 206 题相同:<a href="https://leetcode-cn.com/problems/reverse-linked-list/">https://leetcode-cn.com/problems/reverse-linked-list/</a></p>
<p>&nbsp;</p>