In this second episode, I introduce the concept of discount intro my implementation. Though a simple step, I put some thought into clean infrastructure and take the time to refactor my initial solution.

► See Introduction: http://youtu.be/3rgo0-hfDgk
► All Potter Kata Episodes: http://goo.gl/m9E4vF
► Let’s Develop! http://letsdeveloper.com
► Don’t Miss an Episode: http://goo.gl/whzDi1
► CodingDojo: http://codingdojo.org/cgi-bin/index.pl?KataPotter
► The Code: https://github.com/letsdeveloper/Lets-Develop-Code-Kata

«Code Kata»
Code Kata are small and simple programming problems that we execute to practice software engineering methods, like TDD or pair programming. The term is derived from Japanese martial arts.

«Other Series»
► Let’s Develop Conway’s Game of Life: http://goo.gl/xc59GX
► Let’s Refactor MovieRental: http://goo.gl/f7Yf21