Kata: Salesman's Travel - 2017-04-29

A traveling salesman has to visit clients. He got each client’s address e.g. “432 Main Long Road St. Louisville OH 43071” as a list.

Kata: Filter through name/email - 2016-02-15

He has troubles with users ending or starting in a ., and his user-array is a flat array of user-email-pairs, like so: