code: def __contains__(self, item):
      return self.has(item[0], item[1], item[2])
  
file_path: wandb/wandb/vendor/graphql-core-1.1/wandb_graphql/pyutils/pair_set.py
label_desc: Use image node_id 2 for calling the PairSet obj's underlying member method code with example usage: obj.__contains__(item) and returns: self