diff --git a/encoded_string.py b/encoded_string.py
new file mode 100644
index 0000000..d33cd2d
--- /dev/null
+++ b/encoded_string.py
@@ -0,0 +1,85 @@
+# encoded String 
+def encodedstring(s):
+        vow=["a","e","i","o","u"]
+        newstr=''
+        newlist=[]
+        newlist2=[]
+        for alphabet in s:
+            if alphabet not in vow:
+                newstr += alphabet
+        print newstr
+        removeduplicatesforstring=set(newstr)
+        stringtoencode="".join(removeduplicatesforstring)
+        print stringtoencode
+        lookup= {"a":1,
+            "b":2,
+            "c":3,
+            "d":4,
+            "e":5,
+            "f":6,
+            "g":7,
+            "h":8,
+            "i":9,
+            "j":10,
+            "k":11,
+            "l":12,
+            "m":13,
+            "n":14,
+            "o":15,
+            "p":16,
+            "q":17,
+            "r":18,
+            "s":19,
+            "t":20,
+            "u":21,
+            "v":22,
+            "w":23,
+            "x":24,
+            "y":25,
+            "z":26}
+  
+        reverse_lookup= {1:"a",
+            2:"b",
+            3:"c",
+            4:"d",
+            5:"e",
+            6:"f",
+            7:"g",
+            8:"h",
+            9:"i",
+            10:"j",
+            11:"k",
+            12:"l",
+            13:"m",
+            14:"n",
+            15:"o",
+            16:"p",
+            17:"q",
+            18:"r",
+            19:"s",
+            20:"t",
+            21:"u",
+            22:"v",
+            23:"w",
+            24:"x",
+            25:"y",
+            26:"z"}
+        for alphabet in stringtoencode:
+          finalvalue=lookup[alphabet] + lookup[alphabet] +1 
+          print "final----",finalvalue
+          if finalvalue > 26:
+            finalvalue= finalvalue -26
+            newlist.append(finalvalue)
+          else:
+            newlist.append(finalvalue)
+        print newlist
+        
+        for f in newlist:
+          newlist2.append(reverse_lookup[f])
+        return "".join(newlist2)
+          
+ 
+  
+  
+  
+print encodedstring("xyxyxyxyxyxyxyxyxyxioioioioioioioio")