code: def training_docs(self):
      if self.has_training_docs():
          return self.dataset["train"]
  
imports: from lm_eval.base import Task, rf
  from lm_eval.metrics import mean, perplexity
label_desc: Use image node_id 1 for calling the LambadaBase obj's underlying member method code with example usage: obj.training_docs() and returns: self