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Author: ashishra0

rot13.rb

@@ -0,0 +1,32 @@
+#DCTf569 - Rot13
+#alphabet[alphabet.index('')+ 13 - 26]
+require 'pry'
+def rot13(sentence)
+alphabet = ('a'..'z').to_a
+letters = sentence.split("") # ["t", "e", "s", "t"]
+#new sentence = []
+new_sentence = ""
+binding.pry
+letters.each do |letter|
+  binding.pry
+  if letter != ' ' # if there is no space in the sentence then find the index
+  index_of = alphabet.index(letter.downcase)
+  binding.pry
+  char_index = index_of + 13 - 26
+  #new_sentence.push(alphabet[char_index])
+  new_letter = alphabet[char_index]
+  new_sentence += (letter == letter.upcase) ? new_letter.
+  upcase : new_letter
+else # if there is a space in the sentence then add a empty space
+  new_sentence += ' '
+end
+end
+#return new_sentence
+return new_sentence
+end`
+
+puts "Enter a sentence"
+sentence = gets.chomp # "test"
+
+result = rot13(sentence) #"test"
+puts result