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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 find_link(self, *args, **kwargs):
 """Find and return a link, as a bs4.element.Tag object. The search can be refined by specifying any argument that is accepted by :func:`links`. If several links match, return the first one found. If no link is found, raise :class:`LinkNotFoundError`. """

        links = self.links(*args, **kwargs)
        if len(links) == 0:
            raise LinkNotFoundError()
        else:
            return links[0]