Merge from 3.3: Issue #17390
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 21752d7..245d72d 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -1,6 +1,9 @@
 What's New in IDLE 3.4.0?
 =========================
 
+- Issue #17390: Display Python version on Idle title bar.
+  Initial patch by Edmond Burnett.
+
 - Issue #5066: Update IDLE docs. Patch by Todd Rovito.
 
 - Issue #16226: Fix IDLE Path Browser crash.
diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py
index 9ccb31c..6f50e34 100644
--- a/Lib/idlelib/PyShell.py
+++ b/Lib/idlelib/PyShell.py
@@ -16,6 +16,7 @@
 
 import linecache
 from code import InteractiveInterpreter
+from platform import python_version
 
 try:
     from tkinter import *
@@ -799,7 +800,7 @@
 
 class PyShell(OutputWindow):
 
-    shell_title = "Python Shell"
+    shell_title = "Python " + python_version() + " Shell"
 
     # Override classes
     ColorDelegator = ModifiedColorDelegator