Dynamically rendering custom templates tags from view to template in django

views.py

def home(request):
    from django.template import Context
    from django.template import Template
    from django.template.loader import render_to_string
    x = '{% load custom_tags %} {% user_count %}'
    prepare = {'tags':x}
    x = render_to_string('home.html',context=prepare,request=request)
    template = Template(x)
    context = Context({})
    y = template.render(context)
    return HttpResponse(y)