title: how to get string removing parameters
body: <p>I am getting string from json dictionory but result string is in brackets, i have to get string without backets </p>
  
  <p>code is </p>
  
  <pre><code>jsonDictionary  = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONReadingMutableContainers error:&amp;error];        
  NSDictionary *dictResult = [jsonDictionary objectForKey:@"result"];
  NSDictionary *dictPronunciations = [dictResult valueForKey:@"pronunciations"];
  NSDictionary *dictAudio = [dictPronunciations valueForKey:@"audio"];
  NSString *strMp3Path = [dictAudio valueForKey:@"url"];
  NSLog(@"str mp3 path %@",strMp3Path);
  </code></pre>
  
  <p>and  result is</p>
  
  <pre><code>(
      (
          "/v2/dictionaries/assets/ldoce/gb_pron/abate0205.mp3"
      )
  )
  </code></pre>
  
  <p>I want to get <code>/v2/dictionaries/assets/ldoce/gb_pron/abate0205.mp3</code>  as a string without brackets. Please help...</p>