Add list.sorted() classmethod.

1 files changed, 5 insertions, 0 deletions

diff --git a/Lib/UserList.py b/Lib/UserList.py
index 072f6a7327..e8fd356adb 100644
--- a/Lib/UserList.py
+++ b/Lib/UserList.py
@@ -78,6 +78,11 @@ class UserList:
     def index(self, item, *args): return self.data.index(item, *args)
     def reverse(self): self.data.reverse()
     def sort(self, *args, **kwds): self.data.sort(*args, **kwds)
+    def sorted(cls, iterable, *args, **kwds):
+        s = cls(iterable)
+        s.sort(*args, **kwds)
+        return s
+    sorted = classmethod(sorted)
     def extend(self, other):
         if isinstance(other, UserList):
             self.data.extend(other.data)