<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_permission_request(parser, token):
 """ Performs a permission request check with the given signature, user and objects and assigns the result to a context variable. Syntax:: {% get_permission_request PERMISSION_LABEL.CHECK_NAME for USER and *OBJS [as VARNAME] %} {% get_permission_request "poll_permission.change_poll" for request.user and poll as "asked_for_permissio" %} {% get_permission_request "poll_permission.change_poll" for request.user and poll,second_poll as "asked_for_permissio" %} {% if asked_for_permissio %} Dude, you already asked for permission! {% else %} Oh, please fill out this 20 page form and sign here. {% endif %} """

    return PermissionForObjectNode.handle_token(
        parser, token, approved=False, name='"permission_request"')