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:
"We use the bind function here, which will bind a specific event that occurs on this widget (the_canvas) to a specific action or key press."
A block of code is set as follows:
#!/usr/bin/python3 # bouncingball.py import tkinter as TK import time VERT,HOREZ=0,1 xTOP,yTOP = 0,1 xBTM,yBTM = 2,3 MAX_WIDTH,MAX_HEIGHT = 640,480 xSTART,ySTART = 100,200 BALL_SIZE=20 RUNNING=True
Any command-line input or output is written as follows:
sudo nano /boot/config.txt
Bold: Indicates a new term, ...