Conventions used

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

Code in text: 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: "Simply swap the motor ports in the if else condition and the robot will follow the left edge of the line."

A block of code is set as follows:

Figure 10.61

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: "Display Green brick detected before dispensing. Once the candies are dispensed, display Three candies dispensed."

Tips or important notes

Appear like this.