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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 common_srun_options(cls, campaign):
 """Get options to be given to all srun commands :rtype: list of string """

        default = dict(campaign.process.get('srun') or {})
        default.update(output='slurm-%N-%t.stdout', error='slurm-%N-%t.error')
        return default