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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 geo_filter(d):
 """Inspects the given Wikipedia article dict for geo-coordinates. If no coordinates are found, returns None. Otherwise, returns a new dict with the title and URL of the original article, along with coordinates."""

    page = d["page"]
    if not "revision" in page:
        return None
    title = page["title"]
    if skip_article(title):
        LOG.info("Skipping low-value article %s", title)
        return None
    text = page["revision"]["text"]
    if not utils.is_str_type(text):
        if "#text" in text:
            text = text["#text"]
        else:
            return None
    LOG.debug("--------------------------------------------------------------")
    LOG.debug(title)
    LOG.debug("--------------------------------------------------------------")
    LOG.debug(text)
    c = find_geo_coords(text)
    u = wikip_url(title)
    """
    m = hashlib.md5()
    m.update(u.encode("UTF-8") if hasattr(u, 'encode') else u)
    i = base64.urlsafe_b64encode(m.digest()).replace('=', '')
    """
    return {
        #"id": i,
        "title": title,
        "url": u,
        "coords": c,
        "updated": page["revision"].get("timestamp")
    } if c else None