rst_name" class="form-control mb-2" placeholder="نام">
                                </div>
                                <div class="form-group col-md-6">
                                    <input type="text" name="last_name" class="form-control mb-2" placeholder="نام خانوادگی">
                                </div>
                                {% for error_username in form.username.errors %}
                                    {% if error_username %}
                         