methodwe will use to pick new hyperparameters, and so on. We store all of this information in a dictionary (or dictionary-like) Python data structure, the
sweep_config. For details, see this guide.
wandb.sweep. Note that no experiments are launched yet! We still need to define a training function and pass it to an agent.
wandb.sweepreturns an identifier for the sweep. Agents need that identifier to join in.