[3.10] Update copyright years to 2023. (gh-100850)

* [3.10] Update copyright years to 2023. (gh-100848).
(cherry picked from commit 11f99323c2ae0ec428c370a335695e3d8d4afc1d)

Co-authored-by: Benjamin Peterson <benjamin@python.org>

* Update additional copyright years to 2023.

Co-authored-by: Ned Deily <nad@python.org>
diff --git a/Doc/copyright.rst b/Doc/copyright.rst
index e64a493..9b71683 100644
--- a/Doc/copyright.rst
+++ b/Doc/copyright.rst
@@ -4,7 +4,7 @@
 
 Python and this documentation is:
 
-Copyright © 2001-2022 Python Software Foundation. All rights reserved.
+Copyright © 2001-2023 Python Software Foundation. All rights reserved.
 
 Copyright © 2000 BeOpen.com. All rights reserved.
 
diff --git a/Doc/license.rst b/Doc/license.rst
index 4caecdc..37a3d4f 100644
--- a/Doc/license.rst
+++ b/Doc/license.rst
@@ -100,7 +100,7 @@
       analyze, test, perform and/or display publicly, prepare derivative works,
       distribute, and otherwise use Python |release| alone or in any derivative
       version, provided, however, that PSF's License Agreement and PSF's notice of
-      copyright, i.e., "Copyright © 2001-2022 Python Software Foundation; All Rights
+      copyright, i.e., "Copyright © 2001-2023 Python Software Foundation; All Rights
       Reserved" are retained in Python |release| alone or in any derivative version
       prepared by Licensee.
 
diff --git a/LICENSE b/LICENSE
index 9838d44..f26bcf4 100644
--- a/LICENSE
+++ b/LICENSE
@@ -84,7 +84,7 @@
 distribute, and otherwise use Python alone or in any derivative version,
 provided, however, that PSF's License Agreement and PSF's notice of copyright,
 i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Python Software Foundation;
+2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Python Software Foundation;
 All Rights Reserved" are retained in Python alone or in any derivative version
 prepared by Licensee.
 
diff --git a/Mac/IDLE/IDLE.app/Contents/Info.plist b/Mac/IDLE/IDLE.app/Contents/Info.plist
index 799a164..fea06d4 100644
--- a/Mac/IDLE/IDLE.app/Contents/Info.plist
+++ b/Mac/IDLE/IDLE.app/Contents/Info.plist
@@ -37,7 +37,7 @@
 	<key>CFBundleExecutable</key>
 	<string>IDLE</string>
 	<key>CFBundleGetInfoString</key>
-	<string>%version%, © 2001-2022 Python Software Foundation</string>
+	<string>%version%, © 2001-2023 Python Software Foundation</string>
 	<key>CFBundleIconFile</key>
 	<string>IDLE.icns</string>
 	<key>CFBundleIdentifier</key>
diff --git a/Mac/PythonLauncher/Info.plist.in b/Mac/PythonLauncher/Info.plist.in
index dec0a2e..b7cddac 100644
--- a/Mac/PythonLauncher/Info.plist.in
+++ b/Mac/PythonLauncher/Info.plist.in
@@ -40,9 +40,9 @@
 	<key>CFBundleExecutable</key>
 	<string>Python Launcher</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2001-2022 Python Software Foundation</string>
+	<string>Copyright © 2001-2023 Python Software Foundation</string>
 	<key>CFBundleGetInfoString</key>
-	<string>%VERSION%, © 2001-2022 Python Software Foundation</string>
+	<string>%VERSION%, © 2001-2023 Python Software Foundation</string>
 	<key>CFBundleIconFile</key>
 	<string>PythonLauncher.icns</string>
 	<key>CFBundleIdentifier</key>
diff --git a/Mac/Resources/app/Info.plist.in b/Mac/Resources/app/Info.plist.in
index 84843b7..4ec828f 100644
--- a/Mac/Resources/app/Info.plist.in
+++ b/Mac/Resources/app/Info.plist.in
@@ -20,7 +20,7 @@
 	<key>CFBundleExecutable</key>
 	<string>Python</string>
 	<key>CFBundleGetInfoString</key>
-	<string>%version%, (c) 2001-2020 Python Software Foundation.</string>
+	<string>%version%, (c) 2001-2023 Python Software Foundation.</string>
 	<key>CFBundleHelpBookFolder</key>
 	<array>
 		<string>Documentation</string>
@@ -37,7 +37,7 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleLongVersionString</key>
-	<string>%version%, (c) 2001-2022 Python Software Foundation.</string>
+	<string>%version%, (c) 2001-2023 Python Software Foundation.</string>
 	<key>CFBundleName</key>
 	<string>Python</string>
 	<key>CFBundlePackageType</key>
@@ -55,7 +55,7 @@
 	<key>NSAppleScriptEnabled</key>
 	<true/>
 	<key>NSHumanReadableCopyright</key>
-	<string>(c) 2001-2020 Python Software Foundation.</string>
+	<string>(c) 2001-2023 Python Software Foundation.</string>
 	<key>NSHighResolutionCapable</key>
 	<true/>
 </dict>
diff --git a/Mac/Resources/framework/Info.plist.in b/Mac/Resources/framework/Info.plist.in
index 863b452..e131c20 100644
--- a/Mac/Resources/framework/Info.plist.in
+++ b/Mac/Resources/framework/Info.plist.in
@@ -17,9 +17,9 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>%VERSION%, (c) 2001-2021 Python Software Foundation.</string>
+	<string>%VERSION%, (c) 2001-2023 Python Software Foundation.</string>
 	<key>CFBundleLongVersionString</key>
-	<string>%VERSION%, (c) 2001-2021 Python Software Foundation.</string>
+	<string>%VERSION%, (c) 2001-2023 Python Software Foundation.</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/PC/python_ver_rc.h b/PC/python_ver_rc.h
index e6c1d24..5b55b81 100644
--- a/PC/python_ver_rc.h
+++ b/PC/python_ver_rc.h
@@ -5,7 +5,7 @@
 #include "winver.h"
 
 #define PYTHON_COMPANY   "Python Software Foundation"
-#define PYTHON_COPYRIGHT "Copyright \xA9 2001-2022 Python Software Foundation. Copyright \xA9 2000 BeOpen.com. Copyright \xA9 1995-2001 CNRI. Copyright \xA9 1991-1995 SMC."
+#define PYTHON_COPYRIGHT "Copyright \xA9 2001-2023 Python Software Foundation. Copyright \xA9 2000 BeOpen.com. Copyright \xA9 1995-2001 CNRI. Copyright \xA9 1991-1995 SMC."
 
 #define MS_WINDOWS
 #include "modsupport.h"
diff --git a/Python/getcopyright.c b/Python/getcopyright.c
index 88d1d05..c1f1aad 100644
--- a/Python/getcopyright.c
+++ b/Python/getcopyright.c
@@ -4,7 +4,7 @@
 
 static const char cprt[] =
 "\
-Copyright (c) 2001-2022 Python Software Foundation.\n\
+Copyright (c) 2001-2023 Python Software Foundation.\n\
 All Rights Reserved.\n\
 \n\
 Copyright (c) 2000 BeOpen.com.\n\
diff --git a/README.rst b/README.rst
index 4e40478..7f2acfa 100644
--- a/README.rst
+++ b/README.rst
@@ -18,7 +18,7 @@
    :target: https://discuss.python.org/
 
 
-Copyright (c) 2001-2022 Python Software Foundation.  All rights reserved.
+Copyright © 2001-2023 Python Software Foundation.  All rights reserved.
 
 See the end of this file for further copyright and license information.