"content":"<p>Given a text file <code>file.txt</code>, print just the 10th line of the file.</p>\r\n\r\n<p><strong class=\"example\">Example:</strong></p>\r\n\r\n<p>Assume that <code>file.txt</code> has the following content:</p>\r\n\r\n<pre>\r\nLine 1\r\nLine 2\r\nLine 3\r\nLine 4\r\nLine 5\r\nLine 6\r\nLine 7\r\nLine 8\r\nLine 9\r\nLine 10\r\n</pre>\r\n\r\n<p>Your script should output the tenth line, which is:</p>\r\n\r\n<pre>\r\nLine 10\r\n</pre>\r\n\r\n<div class=\"spoilers\"><b>Note:</b><br />\r\n1. If the file contains less than 10 lines, what should you output?<br />\r\n2. There's at least three different solutions. Try to explore all possibilities.</div>\r\n",