diff --git a/sum_of_n.py b/sum_of_n.py
new file mode 100644
index 0000000..4121b9a
--- /dev/null
+++ b/sum_of_n.py
@@ -0,0 +1,5 @@
+n = int(input("Enter a number: "))
+sum = 0
+for i in range(n+1):
+    sum = sum+i
+print(f"sum = {sum}")