diff --git a/Algo/B2/Exercises/Repetitive tutorial.md b/Algo/B2/Exercises/Repetitive tutorial.md
index c0e3037..9726c07 100644
--- a/Algo/B2/Exercises/Repetitive tutorial.md	
+++ b/Algo/B2/Exercises/Repetitive tutorial.md	
@@ -48,5 +48,9 @@ def productZ(x, y):
 
 ## Exercise 1.3
 ```
-def exponentiation(x: int, n: int) -> int:
-	
\ No newline at end of file
+def exponetial(x: int, n: int) -> int:
+	result = 0
+	while n > 0:
+		m *= x
+		n -= 1
+	return result
\ No newline at end of file