code: def folder_create(self, foldername=None, parent_key=None,
                        action_on_duplicate=None, mtime=None):
          
          return self.request('folder/create', QueryParams({
              'foldername': foldername,
              'parent_key': parent_key,
              'action_on_duplicate': action_on_duplicate,
              'mtime': mtime
          }))
docs: folder/create
  
          http://www.mediafire.com/developers/core_api/1.3/folder/#create