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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 encode(self):
 """Encode this record into a binary blob. This binary blob could be parsed via a call to FromBinary(). Returns: bytearray: The binary encoded script. """


        blob = bytearray()

        for record in self.records:
            blob += record.encode()

        header = struct.pack("<LL", self.SCRIPT_MAGIC, len(blob) + self.SCRIPT_HEADER_LENGTH)
        blob = header + blob

        sha = hashlib.sha256()
        sha.update(blob)
        hash_value = sha.digest()[:16]

        return bytearray(hash_value) + blob