Issue #17390: Adjust Editor window title. Remove 'Python', move version to end.

Lib/idlelib/EditorWindow.py

 import sys
 import os
-from platform import python_version
+import platform
 import re
 import imp
 from Tkinter import *
@@ -22,6 +22,8 @@ from idlelib import macosxSupport
 # The default tab setting for a Text widget, in average-width characters.
 TK_TABWIDTH_DEFAULT = 8
 
+_py_version = ' (%s)' % platform.python_version()
+
 def _sphinx_version():
     "Format sys.version_info to produce the Sphinx version string used to install the chm docs"
     major, minor, micro, level, serial = sys.version_info
@@ -944,7 +946,7 @@ class EditorWindow(object):
         short = self.short_title()
         long = self.long_title()
         if short and long:
-            title = short + " - " + long
+            title = short + " - " + long + _py_version
         elif short:
             title = short
         elif long:
@@ -968,14 +970,13 @@ class EditorWindow(object):
         self.undo.reset_undo()
 
     def short_title(self):
-        pyversion = "Python " + python_version() + ": "
         filename = self.io.filename
         if filename:
             filename = os.path.basename(filename)
         else:
             filename = "Untitled"
         # return unicode string to display non-ASCII chars correctly
-        return pyversion + self._filename_to_unicode(filename)
+        return self._filename_to_unicode(filename)
 
     def long_title(self):
         # return unicode string to display non-ASCII chars correctly