code: def __init__(self) -> None:
      super().__init__()
      self.a = A(parallel=True)
      self.b = B(parallel=True)
  
file_path: pytorch-lightning/docs/source-app/levels/intermediate/scripts/two_comms_non_ml.py
imports: from lightning.app import LightningWork, LightningFlow, LightningApp
  import time
label_desc: Use image node_id 1 to create a new Example object from inherited base classes: LightningFlow with example: obj = Example()