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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 htmlIsAutoClosed(self, elem):
 """The HTML DTD allows a tag to implicitly close other tags. The list is kept in htmlStartClose array. This function checks if a tag is autoclosed by one of it's child """

        ret = libxml2mod.htmlIsAutoClosed(self._o, elem)
        return ret