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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 _new_cls_attr(self, clazz, name, cls=None, mult=MULT_ONE, cont=True, ref=False, bool_assignment=False, position=0):
 """Creates new meta attribute of this class."""

        attr = MetaAttr(name, cls, mult, cont, ref, bool_assignment,
                        position)
        clazz._tx_attrs[name] = attr
        return attr