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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 redirect(url, code=303):
 """ Aborts execution and causes a 303 redirect """

    scriptname = request.environ.get('SCRIPT_NAME', '').rstrip('/') + '/'
    location = urljoin(request.url, urljoin(scriptname, url))
    raise HTTPResponse("", status=code, header=dict(Location=location))