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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 get_code(self):
 """ the JavaCodeInfo of this member if it is a non-abstract method, None otherwise reference: http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.7.3 """
  # noqa

        buff = self.get_attribute("Code")
        if buff is None:
            return None

        with unpack(buff) as up:
            code = JavaCodeInfo(self.cpool)
            code.unpack(up)

        return code