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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 match_tag(self, el, tag):
 """Match the tag."""


        match = True
        if tag is not None:
            # Verify namespace
            if not self.match_namespace(el, tag):
                match = False
            if not self.match_tagname(el, tag):
                match = False
        return match