code: def parent():
      # The child task is scheduled to the same placement group as its parent,
      # although it didn't specify the PlacementGroupSchedulingStrategy.
      ray.get(child.remote())
  
imports: import ray
  from ray.util.placement_group import placement_group
  from ray.util.scheduling_strategies import PlacementGroupSchedulingStrategy
label_desc: Use image node_id 2 for calling a global function with example usage: parent() without return types