<p>Given a text file <code>file.txt</code>, transpose its content.</p> <p>You may assume that each row has the same number of columns, and each field is separated by the <code>' '</code> character.</p> <p><strong class="example">Example:</strong></p> <p>If <code>file.txt</code> has the following content:</p> <pre> name age alice 21 ryan 30 </pre> <p>Output the following:</p> <pre> name alice ryan age 21 30 </pre>