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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 _use_html_if_available(format_fn):
 """Use the value's HTML rendering if available, overriding format_fn."""

        def format_using_as_html(v, label=False):
            if not label and hasattr(v, 'as_html'):
                return v.as_html()
            else:
                return format_fn(v, label)
        return format_using_as_html