def first_child_found_in(self, *tagnames):
        for tagname in tagnames:
            child = self.find(qn(tagname))
            if child is not None:
                return child
        return None
Return the first child found with tag in *tagnames*, or None if
dataset/ETHPy150Open python-openxml/python-docx/docx/oxml/xmlchemy.py/_OxmlElementBase.first_child_found_in