code: def __init__(self, algorithm):
      super(Agent, self).__init__(algorithm)
  
file_path: PARL/examples/tutorials/parl2_dygraph/lesson4/homework/policy_gradient_pong/agent.py
imports: import parl
  import paddle
  import numpy
label_desc: Use image node_id 1 to create a new Agent object from inherited base classes: parl with example: obj = Agent(algorithm)