Code Kata – Potter #4 – Discount on all Pairs

Now that the preparations are done, we can apply the 2-book-discount rule to every pair of books in our order. This finally makes our test go green!

► All Potter Kata Episodes:
► Let’s Develop!
► Don’t Miss an Episode:
► CodingDojo:
► The Code:

«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:
► Let’s Refactor MovieRental:

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