human
I wrote the below code

    def veval(T):
        return LSTD_values(T, R, fMap, discountFactor)
    return policyIteration(Ts, R, discountFactor, VEvaluator=veval, initpolicy=initpolicy, maxIters=maxIters)

What's a good function header?

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Here's a good function header?
assistant
#Here's a good function header.

def LSTD_PI_policy(fMap, Ts, R, discountFactor, initpolicy=None, maxIters=20):