        <span class="hljs-keyword">if</span> (<span class="hljs-built_in">len</span>(args) &lt; <span class="hljs-number">2</span>) || os.Args[<span class="hljs-number">1</span>] == <span class="hljs-string">&quot;&quot;</span> {
                s = <span class="hljs-string">&quot;hello&quot;</span>
        } <span class="hljs-keyword">else</span> {
                s = strings.Join(args[<span class="hljs-number">1</span>:], <span class="hljs-string">&quot; &quot;</span>)
        }
        <span class="hljs-