julia

3a775cf9 - Add a hint about `exit()` to the help message when the user types `?` and presses enter (#41997)

Add a hint about `exit()` to the help message when the user types `?` and presses enter (#41997) Co-authored-by: Jeff Bezanson <jeff.bezanson@gmail.com> Co-authored-by: Jeff Bezanson <jeff.bezanson@gmail.com>