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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(self):
 """ Return html for a the entry """

        # No empty tooltips
        if self.description:
            tooltip = 'tooltip="{}"'.format(self.description)
        else:
            tooltip = ''

        return entry_html(
            title=self.title,
            thumbnail=self.thumbnail,
            link=self.html_link,
            tooltip=tooltip)