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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 HasNonLSCTables(elem):
 	""" 	Return True if the document tree below elem contains non-LSC 	tables, otherwise return False. 	"""

	return any(t.Name not in TableByName for t in elem.getElementsByTagName(ligolw.Table.tagName))