diff --git a/Tools/idle/idle b/Tools/idle/idle
new file mode 100755
index 00000000000..3c06e05488d
--- /dev/null
+++ b/Tools/idle/idle
@@ -0,0 +1,3 @@
+#! /usr/bin/env python
+import PyShell
+PyShell.main()
diff --git a/Tools/idle/test.py b/Tools/idle/test.py
new file mode 100644
index 00000000000..36e1ab2fff8
--- /dev/null
+++ b/Tools/idle/test.py
@@ -0,0 +1,19 @@
+
+def f(): a = b = c = d = e = 0; g()
+
+def g(): h()
+
+def h(): i()
+
+def i(): j()
+
+def j(): k()
+
+def k(): l()
+
+l = lambda: test()
+
+def test():
+    exec "import string; string.capwords(None)" in {}
+
+k()