You can download the example code files from your account at http://www.packtpub.com for all the Packt Publishing books you have purchased. If you purchased this book elsewhere, you could visit http://www.packtpub.com/support and register to have the files e-mailed directly to you. I've also setup a GitHub repository that contains a live version of the code, along with new fixes, updates and so on. You can retrieve the code and datasets at the repository here: https://github.com/dataPipelineAU/LearningDataMiningWithPython2
You can read the dataset can by looking at each row (horizontal line) at a time. The first row (0, 1, 0, 0, 0) shows the items purchased in the first transaction. Each column (vertical row) ...