title: How to convert String List to String in flutter?
body: <p>I need to convert <code>List&lt;String&gt;</code> into a <code>String</code> in the dart.</p>
  <p>I want to extract the value of the list from preferences. I have tried this implementation but it is only giving me the last value.</p>
  <pre><code>Future&lt;List&lt;String&gt;&gt; services = SharedPrefSignUp.getSelectedServices();
  services.then((onValue){
    List&lt;String&gt;servicesList=onValue;
    selectServicesText=servicesList.join(&quot;,&quot;);
  });
  </code></pre>