Fix all Python Cookbook links (#22205)
diff --git a/Doc/faq/programming.rst b/Doc/faq/programming.rst
index 66d210a..eecbbf4 100644
--- a/Doc/faq/programming.rst
+++ b/Doc/faq/programming.rst
@@ -1141,7 +1141,7 @@
See the Python Cookbook for a long discussion of many ways to do this:
- https://code.activestate.com/recipes/52560/
+ https://github.com/ActiveState/code/tree/master/recipes/Python/52560_Remove_duplicates/recipe-52560.py
If you don't mind reordering the list, sort it and then scan from the end of the
list, deleting duplicates as you go::