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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 wrap(self, other):
 """Wraps this element inside another empty tag."""

        if other.childs:
            raise TagError(self, "Wrapping in a non empty Tag is forbidden.")
        if self.parent:
            self.before(other)
            self.parent.pop(self._own_index)
        other.append(self)
        return self