From ab1c6b9c947b8a59687b55d25100a3d1cca9fe68 Mon Sep 17 00:00:00 2001
From: "Erik M. Bray" <embray@stsci.edu>
Date: Sun, 28 Jul 2013 11:38:18 -0400
Subject: [PATCH] Demo module for extreme test-driven development, if we get
 there.

---
 python/sw_engineering/scan.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 python/sw_engineering/scan.py

diff --git a/python/sw_engineering/scan.py b/python/sw_engineering/scan.py
new file mode 100644
index 0000000..99cb96f
--- /dev/null
+++ b/python/sw_engineering/scan.py
@@ -0,0 +1,10 @@
+def scan(lst):
+    total = 0
+    last = None
+    if len(lst) == 0:
+        return total
+    for item in lst:
+        if last is None or item > last:
+            total += item
+            last = item
+    return total
-- 
2.26.2