- New builtin function enumerate(x), from PEP 279. Example:

enumerate("abc") is an iterator returning (0,"a"), (1,"b"), (2,"c").
  The argument can be an arbitrary iterable object.

Include/enumobject.h

@@ -0,0 +1,16 @@
+#ifndef Py_ENUMOBJECT_H
+#define Py_ENUMOBJECT_H
+
+/* Enumerate Object */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern DL_IMPORT(PyTypeObject) PyEnum_Type;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !Py_ENUMOBJECT_H */