[3.12] gh-114069: Revise Tutorial Methods paragraph (GH-114127) (#114131)

gh-114069: Revise Tutorial Methods paragraph (GH-114127)

Remove excess words in the first and third sentences.
(cherry picked from commit 31a2543c80e1e38c97e50533249d9aa00e2f6cae)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>