Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Guiding Lights to Better Code

Three observations about PBPPBP tells you how to write good Perl until you have enough experience to know better. Then you'll write Perl like the book suggests because you do know better.PBP is like "use strict". At first using each seems overbearing and painful, after awhile you wonder how you endured the pain of not using them.PBP describes programming habits that, if followed, will make your programming time more productive. It will also make it more enjoyable, unless you actually like beating your head against the wall searching for self-introduced bugs.