[3.10] gh-81611: Improve `range` paragraph in 8.3 of language reference (GH-98353) (#100705)

gh-81611: Improve `range` paragraph in 8.3 of language reference (GH-98353)
(cherry picked from commit 8b1f1251215651c4ef988622345c5cb134e54d69)

Co-authored-by: 4l4k4z4m <alakazamjoined@gmail.com>
Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>