diff --git a/scripts/test_sum/results.md b/scripts/test_sum/results.md
new file mode 100644
index 0000000..88cc07b
--- /dev/null
+++ b/scripts/test_sum/results.md
@@ -0,0 +1,4 @@
+C	0.002s	1
+JS	0.064s	32
+Py3	0.070s	35
+Toy	0.430s	215
\ No newline at end of file
diff --git a/scripts/test_sum/test_sum.py b/scripts/test_sum/test_sum.py
new file mode 100644
index 0000000..57e804a
--- /dev/null
+++ b/scripts/test_sum/test_sum.py
@@ -0,0 +1,16 @@
+import sys
+sys.setrecursionlimit(11000)
+
+#the test case (python)
+def test_sum(key: int, val: int):
+    def sum(n: int):
+        if n < 2:
+            return n
+        
+        return n + sum(n - 1)
+    
+    result: int = sum(val)
+    print(str(key) + ": " + str(result))
+
+for i in range(0, 10):
+    test_sum(i, i * 1000)