Get request with query parameters look like this:
http://localhost:8000/?param=value1

Get request with URL parameters look like this:
http://localhost:8000/value1/

...

<a href="/?param=value1">Value 1</a> 
<a href="/?param=value2">Value 2</a>

...

from django.views.generic import TemplateView

class index(TemplateView):
    template_name = 'polls/index.html'


    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)

        param = self.request.GET.get('param')

        print(param)

        context['param'] = param
        context['message'] = "Some message from the server!"

        return context