diff --git a/cipher.py b/cipher.py
index 0e772db..b82ffa0 100644
--- a/cipher.py
+++ b/cipher.py
@@ -1 +1,15 @@
-# add your code here
+alphabet = "abcdefghijklmnopqrstuvwxyz"
+
+shift = int(input("Please enter number of places to shift:"))
+plain_text= input("Please enter a sentence: ")
+
+encrypted_text = ""
+
+for char in plain_text:
+     if char in alphabet:
+          index = alphabet.find(char)
+          index = (index + shift) % 26
+          char = alphabet[index]
+     encrypted_text += char
+
+print(encrypted_text)