diff --git a/Caesercipher.py b/Caesercipher.py
new file mode 100644
index 00000000..15c75033
--- /dev/null
+++ b/Caesercipher.py
@@ -0,0 +1,19 @@
+s=input("enter string ")
+k=int(input("enter shift "))
+ans=''
+for i in s:
+        p=ord(i)
+        if i.isalpha() and i.isupper():
+            if p+(k%26) >90:
+                
+                ans += chr(p + k%26 -26 )
+            else:    
+                ans += chr(p+k%26)
+        elif i.isalpha() and i.islower():
+            if p + (k%26) > 122:
+                ans += chr((p+ k%26 -26))
+            else:
+                ans += chr(p+(k%26)) 
+        else:
+            ans +=chr(p)
+print(ans)