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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 _html_image(page):
 """ returns HTML img tag """

    source = _image(page)
    if not source:
        return
    alt = page.data.get('label') or page.data.get('title')
    img = "<img src=\"%s\"" % source
    img += " alt=\"%s\" title=\"%s\" " % (alt, alt)
    img += "align=\"right\" width=\"240\">"
    return img