Maybe, the first thing that comes to your mind when you hear the word "KATA" is a movie of Bruce Lee or maybe, the movie Kung Fu Panda  😛 . According to Wikipedia Kata is:  "Japanese word, are detailed choreographed patterns of movements practiced either solo or in pairs. The term form is used for the corresponding concept in non-Japanese martial arts in general." In other words, a set of movements very well synchronized which simulates a fight in real life, and the more you practice those movements, the better you become at fighting. But....we are going to talk about Code Kata ,  instead of practicing how to kick and throw punches, we are going to practice by writing some beautiful code. The first time I heard the term "Code Kata" was in the book The Clean Coder by Robert C. Martin, but the original term was credited by Dave Thomas in his book The Pragmatic Programmer.I recommend them both in my post Books you must read as a develope