added an Encryption program

Author: Deepanshu Mishra

HackerRank-Encryption/Encryption.py

@@ -0,0 +1,25 @@
+#!/bin/python3
+
+import math
+import os
+
+# complete the encryption function below.
+def encryption(s):
+    L = len(s)
+    rows = int(math.floor(L**(0.5)))
+    columns = int(math.ceil(L**(0.5)))
+    output = ""
+    for i in range(columns):
+        k = i
+        for j in range(k,L,columns):
+            output+=s[j]
+        output+=" "
+    return output
+
+
+if __name__ == '__main__':
+    fptr = open(os.environ['OUTPUT_PATH'], 'w')
+    s = input()
+    result = encryption(s)
+    fptr.write(result + '\n')
+    fptr.close()