diff --git a/src/sumRange.py b/src/sumRange.py
index 124746f..17e4b65 100644
--- a/src/sumRange.py
+++ b/src/sumRange.py
@@ -1,3 +1,3 @@
 # return the sum of all numbers from 1 to x. x will be a positive integer.
 def sumRange(x):
-	pass
\ No newline at end of file
+    return x * (x + 1) / 2