Add Caesar-Cipher-1

Author: Alperencode

HackerRank/Caesar-Cipher-1.py

@@ -0,0 +1,19 @@
+# Ceasar Cipher 1
+# https://www.hackerrank.com/challenges/caesar-cipher-1/problem
+
+def caesarCipher(s, k):
+ alphabet = "abcdefghijklmnopqrstuvwxyz".upper()
+ ans = ""
+ for char in s:
+ if char.upper() in alphabet:
+ rotated = alphabet[(alphabet.index(char.upper())+k)%26]
+ ans += rotated if char.isupper() else rotated.lower() 
+ else: 
+ ans += char
+ return ans
+
+# Testcases
+# "middle-Outz" 2 -> "okffng-Qwvb"
+# "Always-Look-on-the-Bright-Side-of-Life" 5 -> "Fqbfdx-Qttp-ts-ymj-Gwnlmy-Xnij-tk-Qnkj"
+
+# Status - Accepted