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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 remove(self, item):
 """Remove either an unparsed argument string or an argument object. :param Union[str,Arg] item: Item to remove 2 OArg('arg2') """

        item = self.__coerce(item)
        self.all.remove(item)
        super().remove(item)