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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 _extract_jump_targets(stmt):
 """ Extract goto targets from a Jump or a ConditionalJump statement. :param stmt: The statement to analyze. :return: A list of known concrete jump targets. :rtype: list """


        targets = [ ]

        # FIXME: We are assuming all jump targets are concrete targets. They may not be.

        if isinstance(stmt, ailment.Stmt.Jump):
            targets.append(stmt.target.value)
        elif isinstance(stmt, ailment.Stmt.ConditionalJump):
            targets.append(stmt.true_target.value)
            targets.append(stmt.false_target.value)

        return targets