Optimisation

So continuing from the last blog where I wrote a crude version of SimpleCipher and was inclined on removing the duplicate code, here I am with the improved version. Handy links # [fmt](https://golang.org/pkg/fmt/) package [strings](https://golang.org/pkg/strings/) package. Defining types # While I compiled and unit tested code the general feeling was what can be optimized.

Let’s say the input is 2 the output should be [“double blink”].