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 sigmoid(x) and relu(x) refer to the functions performing sigmoid and ReLU activation calculations respectively."
A block of code is set as follows:
def discretization(env, obs):
env_low = env.observation_space.low
env_high = env.observation_space.high
Any command-line input or output is written as follows:
Episode 1 completed with total reward 8433.30289388 in 26839 steps
Episode 2 completed with total reward 3072.93369963 in 8811 steps
Episode 3 completed with total reward 1230.81734028 in 4395 steps
Episode 4 completed with total reward 2182.31111239 in 6629 steps
Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "Select System info from the Administration panel."
Warnings or important notes appear like this.
Tips and tricks appear like this.