* 연습과제 0 import './App.css'; import Modal from './Modal'; import Button from './Button'; import { useState } from 'react'; function App() { const [open, setOpen] = useState(false) const openModal = () => { setOpen(true) } const closeModal = () => { setOpen(false) } return ( Add Todo You want to add new todo ? todo name: todo description: Add Close ); } export default App; * 연습과제 1 import './App...