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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 create_tbb_web_headers():
 """ Returns a new `twisted.web.http_headers.Headers` instance populated with tags to mimic Tor Browser. These include values for `User-Agent`, `Accept`, `Accept-Language` and `Accept-Encoding`. """

    return Headers({
        b"User-Agent": [b"Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Firefox/45.0"],
        b"Accept": [b"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"],
        b"Accept-Language": [b"en-US,en;q=0.5"],
        b"Accept-Encoding": [b"gzip, deflate"],
    })