bpo-14050: Note that not all data can be sorted (GH-15381) (GH-15395) · python/cpython@cb8de91 (original) (raw)

Original file line number	Diff line number	Diff line change
@@ -125,6 +125,13 @@ only modify the list have no return value printed -- they return the default
125	125	``None``. [1]_ This is a design principle for all mutable data structures in
126	126	Python.
127	127
	128	+Another thing you might notice is that not all data can be sorted or
	129	+compared. For instance, ``[None, 'hello', 10]`` doesn't sort because
	130	+integers can't be compared to strings and None can't be compared to
	131	+other types. Also, there are some types that don't have a defined
	132	+ordering relation. For example, ``3+4j < 5+7j`` isn't a valid
	133	+comparison.
	134	+
128	135
129	136	.. _tut-lists-as-stacks:
130	137