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Python Reinforcement Learning Projects
book

Python Reinforcement Learning Projects

by Sean Saito, Yang Wenzhuo, Rajalingappaa Shanmugamani
September 2018
Intermediate to advanced
296 pages
9h 10m
English
Packt Publishing
Content preview from Python Reinforcement Learning Projects

Implementation of the Atari emulator

We are now ready to build a simple Atari emulator using gym. As with other computer games, the keyboard input used to control Atari games is as shown here:

w
a
s
d
space
UP
LEFT
DOWN
RIGHT
FIRE

 

To detect the keyboard inputs, we use the pynput.keyboard package, which allows us to control and monitor the keyboard (http://pythonhosted.org/pynput/). If the pynput package is not installed, run the following:

pip install pynput

pynput.keyboard provides a keyboard listener used to capture keyboard events. Before creating a keyboard listener, the Listener class should be imported:

import gymimport queue, threading, timefrom pynput.keyboard import Key, Listener

Besides the Listener ...

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Publisher Resources

ISBN: 9781788991612