<p>Given a string <code>s</code>, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.</p> <p> </p> <p><strong>Example 1:</strong></p> <pre><strong>Input:</strong> s = "Let's take LeetCode contest" <strong>Output:</strong> "s'teL ekat edoCteeL tsetnoc" </pre><p><strong>Example 2:</strong></p> <pre><strong>Input:</strong> s = "God Ding" <strong>Output:</strong> "doG gniD" </pre> <p> </p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= s.length <= 5 * 10<sup>4</sup></code></li> <li><code>s</code> contains printable <strong>ASCII</strong> characters.</li> <li><code>s</code> does not contain any leading or trailing spaces.</li> <li>There is <strong>at least one</strong> word in <code>s</code>.</li> <li>All the words in <code>s</code> are separated by a single space.</li> </ul>