1. What does the `.map()` array method do?



2. What do we usually use `.map()` for in React?



3. Why is using `.map()` better than just creating the components
   manually by typing them out?

"Warning: Each child in a list should have a unique "key" prop. Check the render method of `App`. See https://reactjs.org/link/warning-keys for more information. at Joke (exe0.bundle.js:66:58) at App"

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