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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 _page_html(page):
 """ returns assembled HTML output """

    out = []
    out.append(_html_title(page))
    out.append(_html_image(page))
    out.append(page.data.get('extract'))
    return "\n".join([x for x in out if x])