public void banana_0n0n0baca()
        {
            var    karacas = new Karacas("banana");
            String result  = "0n0n0baca";

            Assert.Equal(result, karacas.Encrypt());
        }
        public void burak()
        {
            var    karacas = new Karacas("burak");
            String result  = "k0r3baca";

            Assert.Equal(result, karacas.Encrypt());
        }
        public void alpaca()
        {
            var    karacas = new Karacas("alpaca");
            String result  = "0c0pl0aca";

            Assert.Equal(result, karacas.Encrypt());
        }
        public void karaca()
        {
            var    karacas = new Karacas("karaca");
            String result  = "0c0r0kaca";

            Assert.Equal(result, karacas.Encrypt());
        }