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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 String(self, off):
 """String gets a string from data stored inside the flatbuffer."""

        N.enforce_number(off, N.UOffsetTFlags)
        off += encode.Get(N.UOffsetTFlags.packer_type, self.Bytes, off)
        start = off + N.UOffsetTFlags.bytewidth
        length = encode.Get(N.UOffsetTFlags.packer_type, self.Bytes, off)
        return bytes(self.Bytes[start:start+length])