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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 get_match(self, elem):
 """for the given elem, return the @match function that will be applied"""

        for m in self.matches:
            if (m.expression is not None and eval(m.expression)==True) \
            or (m.xpath is not None and len(elem.xpath(m.xpath, namespaces=m.namespaces)) > 0):
                LOG.debug("=> match: %r" % m.expression)
                return m