In the book To Kill a Mockingbird how does scout learn to write?

Scout doesn't explicitly learn to write in "To Kill a Mockingbird". The novel focuses on Scout's early childhood experiences, and she's already able to read and write by the time the story begins.

We see her reading and writing throughout the book:

* She reads to Atticus. She's quite a skilled reader, able to understand complex language and even read aloud to her father.

* She writes in her school notebook. Scout diligently takes notes and participates in class, demonstrating her writing abilities.

* She writes letters. She writes a letter to her Uncle Jack, showcasing her skills in expressing her thoughts on paper.

While the novel doesn't explicitly detail Scout's initial learning process, it makes it clear that she's already proficient in reading and writing by the time the story starts. Her education in this area is established as a pre-existing skill, allowing the story to focus on other aspects of her childhood development, like her understanding of justice, prejudice, and the complexities of human relationships.