What does the author of on writing well feel students have learned about writing?

The author of On Writing Well, William Zinsser, felt that students have learned about writing the following:

- That writing is a craft that can be learned by anyone with the willingness to practice and improve.

- The importance of clear and concise writing.

- How to use language effectively to convey ideas and emotions.

- How to structure an effective piece of writing.

- How to revise and edit their writing to improve its clarity and impact.

- That writing is a powerful tool that can be used to inform, persuade, and entertain readers.