<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def consent():
 """Return the consent form. Here for backwards-compatibility with 2.x."""

    config = _config()
    return render_template(
        "consent.html",
        hit_id=request.args["hit_id"],
        assignment_id=request.args["assignment_id"],
        worker_id=request.args["worker_id"],
        mode=config.get("mode"),
    )