Day 6, completed exercise 1 and 2, still need to do exercise 3.

solutions/day-06/exercise1/exercise1.js

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+// Why you need to map an array ?
+// - data most of the time comes in the form of an array, so need to modify the data using map method.
+
+// Why we need keys during mapping an array ?
+// - keys are used to uniquely identify items in react. 
+
+
+// What is the importance of destructuring your code ?
+//  - makes it easier to read code
+
+
+// Does destructuring make your code clean and easy to read ?
+// - yes

solutions/day-06/exercise2/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

solutions/day-06/exercise2/README.md

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+# Getting Started with Create React App
+
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in your browser.
+
+The page will reload when you make changes.\
+You may also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.\
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.\
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.\
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can't go back!**
+
+If you aren't satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.
+
+You don't have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
+
+### Analyzing the Bundle Size
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
+
+### Making a Progressive Web App
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
+
+### Advanced Configuration
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
+
+### Deployment
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
+
+### `npm run build` fails to minify
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

solutions/day-06/exercise2/package.json

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+{
+  "name": "exercise2",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^5.16.5",
+    "@testing-library/react": "^13.4.0",
+    "@testing-library/user-event": "^13.5.0",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-scripts": "5.0.1",
+    "web-vitals": "^2.1.4"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}

solutions/day-06/exercise2/public/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <title>Exercise 2 Number Generator</title>
+  </head>
+  <body>
+    <div id="root"></div>
+  </body>
+</html>

solutions/day-06/exercise2/src/App.js

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+import React from "react";
+import Grid from "./Grid";
+import './index.css'
+const App = () =>{
+    const title = '30 Days Of React';
+    const subTitle = 'Number Generator';
+    return(
+        <div className="header-wrapper">
+            <h1>{title}</h1>
+            <h2>{subTitle}</h2>
+            <Grid/>
+        </div>
+    )    
+}
+
+export default App;

solutions/day-06/exercise2/src/Grid.js

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+import React from "react";
+import NumberBox from "./NumberBox";
+
+const Grid = () => {
+    return (
+        <div>
+            <NumberBox/>
+        </div>
+        
+    )
+}
+
+export default Grid;

solutions/day-06/exercise2/src/NumberBox.js

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+import React from "react";
+import './index.css'
+const NumberBox = () =>{
+    const num = [];
+    for(let i = 0; i <= 31; i++){
+        num.push(i);
+    }
+    const numbers = num.map((number) => {
+        let color = '';
+        if (number % 2 === 0) {
+            color = 'green'
+        } else if (isPrime(number)) {
+            // Check if the number is prime
+            color = 'red'
+        } else {
+            color = 'yellow'
+        }
+
+        if(number === 2){
+            color = 'red'
+        }
+
+        function isPrime(n) {
+        if (n < 3) {
+            return false;
+        }
+        for (var i = 2; i < n; i++) {
+            if (n % i === 0) {
+                return false;
+            }
+        }
+        return true;
+        }
+        
+        return <p key={number} className={color}>{number}</p>
+    });
+
+    return(
+        <div className="numContainer">
+            {numbers}
+        </div>
+    ) 
+    
+}
+
+export default NumberBox;
+

solutions/day-06/exercise2/src/index.css

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+body{
+  margin: 0;
+  padding: 0;
+}
+
+.header-wrapper{
+  font-size: 24px;
+  text-align: center;
+  
+}
+
+.numContainer{
+  margin: 30px 0;
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+
+}
+
+
+.numContainer p{  
+  color: white;
+  font-size: 80px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin: 2px;
+  width: 210px;
+  height: 210px;
+}
+
+
+.red{
+  background-color: rgb(214, 40, 40);
+}
+
+.green{
+  background-color: rgb(21, 151, 21);
+}
+
+.yellow{
+  background-color: rgb(223, 223, 22);
+}

solutions/day-06/exercise2/src/index.js

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+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import App from './App';
+
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(<App />);