code: def make_experiment_tag(orig_tag, config, mutations):
      
  
      resolved_vars = {}
      for k in mutations.keys():
          resolved_vars[("config", k)] = config[k]
      return "{}@perturbed[{}]".format(orig_tag, format_vars(resolved_vars))
docs: Appends perturbed params to the trial name to show in the console.