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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 nbytes(self):
 """The number of bytes for this telemetry packet"""

        max_byte = -1

        for defn in self.fields:
            byte = defn.bytes if type(defn.bytes) is int else max(defn.bytes)
            max_byte = max(max_byte, byte)

        return max_byte + 1