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'''Solves Pong with Policy Gradients in Tensorflow.'''
# written October 2016 by Sam Greydanus
# inspired by karpathy's gist.github.com/karpathy/a4166c7fe253700972fcbc77e4ea32c5
import numpy as np
import gym
import tensorflow as tf

# hyperparameters
n_obs = 80 * 80           # dimensionality of observations
h = 200                   # number of hidden layer neurons