Issue #26778: Fixed "a/an/and" typos in code comment and documentation.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 6336a20..95bd26e 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -463,7 +463,7 @@
self.assertEqual(os.path.abspath(sys.executable), sys.executable)
# Issue #7774: Ensure that sys.executable is an empty string if argv[0]
- # has been set to an non existent program name and Python is unable to
+ # has been set to a non existent program name and Python is unable to
# retrieve the real program name
import subprocess
# For a normal installation, it should work without 'cwd'