link experiment

Notes/06_Generators/00_Overview.md

@@ -0,0 +1,14 @@
+# Overview
+
+A simple definition of *Iteration*: Looping over items.
+
+```python
+a = [2,4,10,37,62]
+# Iterate over a
+for x in a:
+    ...
+```
+
+This is a very common pattern. Loops, list comprehensions, etc.
+
+Most programs do a huge amount of iteration.