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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 removeChild(self, child):
 		""" 		Remove a child from this element. The child element is 		returned, and it's parentNode element is reset. 		"""

		super(Table, self).removeChild(child)
		if child.tagName == ligolw.Column.tagName:
			self._update_column_info()
		return child