diff --git a/sum_array.py b/sum_array.py
new file mode 100644
index 0000000..464c2e9
--- /dev/null
+++ b/sum_array.py
@@ -0,0 +1,9 @@
+def sum(arr):
+    sum=0
+    for i in arr:
+        sum+=i
+    return sum
+
+arr=[]
+arr=[1,2,3]
+print(sum(arr))