Code switching is the ability to switch your tone of voice based on your setting. One might talk in a more casual tone with their friends and more proper with a teacher. For example, in the novel To Kill A Mockingbird, Calpurnia speaks properly with the Finch family and loosely/casual with the people at her church. One must be smart to code switch because it shows you are aware of your surroundings and you know how to act according to your environment. Jem and Scout are confused when they hear Cal talk to the other people of her church. They had only ever heard Cal speak to them with her educated and sophisticated voice, and at that moment she spoke with a slang accent to fit in with the people of her church. Code switching is a very important skill that can be used today. Speaking in a more sophisticated tone could be the difference between getting a job and being rejected. It can also help you not to stand out in a crowd which could affect your appearance. Being observant has an important role in code switching. Overall, code switching is vital skill needed to fit in with a particular crowd.