def __init__(self, parent_agents=[], agent_dir="agent_params_nolimit"):
self.agent_dir = agent_dir
self.parent_agents = []
# insert in order of top-ranked parent agent to bottom agent
for p in parent_agents:
p_param = Params(aid=p, agent_dir=self.agent_dir)
p_param.read_params()
self.parent_agents.append(p_param)
# calculate the parent probability of being chosen
self.num_parents = len(parent_agents)
