Document more differences with Python: nested functions and for loops
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MOS_MIGRATED_REVID=125694309
diff --git a/site/docs/skylark/concepts.md b/site/docs/skylark/concepts.md
index 873036e..7b18012 100644
--- a/site/docs/skylark/concepts.md
+++ b/site/docs/skylark/concepts.md
@@ -176,7 +176,7 @@
* `class` (see [`struct`](lib/globals.html#struct) function)
* `import` (see [`load`](#loading-a-skylark-extension) statement)
* `while`, `yield`
-* `lambda`
+* `lambda` and nested functions
* `is` (use `==` instead)
* `try`, `raise`, `except`, `finally` (see [`fail`](lib/globals.html#fail)
for fatal errors).