diff --git a/Challenge questions/anantkaushik/challenge1.py b/Challenge questions/anantkaushik/challenge1.py
new file mode 100644
index 0000000..f00b027
--- /dev/null
+++ b/Challenge questions/anantkaushik/challenge1.py	
@@ -0,0 +1,25 @@
+def encodeString(sentence):
+    sentence = sentence.split()
+    for i in range(len(sentence)):
+        sentence[i] = sentence[i].capitalize()
+    return "".join(sentence)
+
+def decodeString(sentence):
+    if not sentence:
+        return ""
+    decodedSentence = []
+    word = sentence[0]
+    for i in range(1,len(sentence)):
+        if sentence[i].isupper():
+            decodedSentence.append(word)
+            word = sentence[i].lower()
+        else:
+            word += sentence[i]
+    decodedSentence.append(word)
+    return " ".join(decodedSentence)
+
+sentence = input("Enter a String: ")
+encodedSentence = encodeString(sentence)
+decodedSentence = decodeString(encodedSentence)
+print("Converted String is {}".format(encodedSentence))
+print("Original String is {}".format(decodedSentence))
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