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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 dropIndex(cls, fields) :
		"removes an index created with ensureIndex "
		con = RabaConnection(cls._raba_namespace)
		rlf, ff = cls._parseIndex(fields)
		
		for name in rlf :
			con.dropIndex(name, 'anchor_raba_id')
		
		con.dropIndex(cls.__name__, ff)
		con.commit()