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 State class has to be changed for every application, even though the search algorithm is the same."

A block of code is set as follows:

def checkGoalState(self):        """        This method checks whether the person is Jill.        """         #check if the person's name is Jill        return self.name == "Jill"

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

#create a dictionary with all the mappingsconnections = {}connections["Dev"] = ...

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