diff --git a/maths/carmichael_number.py b/maths/carmichael_number.py
index f48ab68cba7d..439ae7f7a538 100644
--- a/maths/carmichael_number.py
+++ b/maths/carmichael_number.py
@@ -82,7 +82,7 @@ def is_carmichael_number(n: int) -> bool:
     import doctest
 
     doctest.testmod()
-    
+
     number = int(input("Enter number: ").strip())
     if is_carmichael_number(number):
         print(f"{number} is a Carmichael Number.")