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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 Union(self, t2, off):
 """Union initializes any Table-derived type to point to the union at the given offset."""

        assert type(t2) is Table
        N.enforce_number(off, N.UOffsetTFlags)

        off += self.Pos
        t2.Pos = off + self.Get(N.UOffsetTFlags, off)
        t2.Bytes = self.Bytes