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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 complete(self):
 """ Consider a transcript complete if it has start and stop codons and a coding sequence whose length is divisible by 3 """

        return (
            self.contains_start_codon and
            self.contains_stop_codon and
            self.coding_sequence is not None and
            len(self.coding_sequence) % 3 == 0
        )