How does Harper Lee reveal that Scout has grown to be more empathetic and courageous

I think the end of the book is a perfect example of this. Scout now sees Boo for what he really is. She comes to see Boo as her "benevolent phantom”. She knows the childish rumours and their silly games disrespected the man that had saved her life. When Scout finally sees Boo at the end of the book, she simply says “Hey, Boo,” Boo has transformed from the town "freak" to Scout's friend.