Hands-On Reinforcement Learning for Games

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "The three functions make_atari, wrap_deepmind, and wrap_pytorch are all located in the new wrappers.py file we imported earlier."

A block of code is set as follows:

env_id = 'PongNoFrameskip-v4'env = make_atari(env_id)env = wrap_deepmind(env)env = wrap_pytorch(env)

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

epsilon_start = 1.0epsilon_final = 0.01epsilon_decay = 30000epsilon_by_episode = lambda episode: ...