Demo module for extreme test-driven development, if we get there.

diff --git a/python/sw_engineering/scan.py b/python/sw_engineering/scan.py
new file mode 100644 (file)
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