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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def temporary_unavailable(request, template_name='503.html'):
 """ Default 503 handler, which looks for the requested URL in the redirects table, redirects if found, and displays 404 page if not redirected. Templates: ``503.html`` Context: request_path The path of the requested URL (e.g., '/app/pages/bad_page/') """

    context = {
        'request_path': request.path,
    }
    return http.HttpResponseTemporaryUnavailable(
        render_to_string(template_name, context))