code: def complete_server(self, text, line, begidx, endidx):
          ''' Tab-complete server command '''
          return  [i for i in PsiturkShell.server_commands if i.startswith(text)f complete_server(self, text, line, begidx, endidx):
          ''' Tab-complete server command '''
          return  [i for i in PsiturkShell.server_commands if i.startswith(text)]
docs: Tab-complete server command