code: def execute(scope, command):
      
      process = Popen(command[0],
                      shell=True,
                      stdin=PIPE,
                      stdout=PIPE,
                      stderr=STDOUT,
                      close_fds=True)
      scope.define(__response__=process.stdout.read())
      return True
docs: Executes the given command locally.
  
      :type  command: string
      :param command: A shell command.