add introspection to range objects (closes #9896)
Patch by Daniel Urban.
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index f9af3d8..3cf5335 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1042,7 +1042,9 @@
...]``. If *step* is positive, the last element is the largest ``start + i *
step`` less than *stop*; if *step* is negative, the last element is the
smallest ``start + i * step`` greater than *stop*. *step* must not be zero
- (or else :exc:`ValueError` is raised). Example:
+ (or else :exc:`ValueError` is raised). Range objects have read-only data
+ attributes :attr:`start`, :attr:`stop` and :attr:`step` which return the
+ argument values (or their default). Example:
>>> list(range(10))
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
@@ -1100,6 +1102,9 @@
sequence of values they define (instead of comparing based on
object identity).
+ .. versionadded:: 3.3
+ The :attr:`start`, :attr:`stop` and :attr:`step` attributes.
+
.. function:: repr(object)