[3.11] Add note to sys.orig_argv clarifying the difference from sys.argv (GH-114630) (#114822)

Add note to `sys.orig_argv` clarifying the difference from `sys.argv` (GH-114630)
(cherry picked from commit 1836f67)

Co-authored-by: Bradley Reynolds <[email protected]>
Co-authored-by: Ned Batchelder <[email protected]>

Author: 3 people

Doc/library/sys.rst

@@ -1240,7 +1240,10 @@ always available.
    The list of the original command line arguments passed to the Python
    executable.
 
-   See also :data:`sys.argv`.
+   The elements of :data:`sys.orig_argv` are the arguments to the Python interpreter,
+   while the elements of :data:`sys.argv` are the arguments to the user's program.
+   Arguments consumed by the interpreter itself will be present in :data:`sys.orig_argv`
+   and missing from :data:`sys.argv`.
 
    .. versionadded:: 3.10