Read from file and write to file

 Perform following steps,

1. import path from 'path';
• Need for path of files in order to access them
2. import fs from 'fs';
• Need for read and write on files
3. In order to read or write, first we need to resolve the directory of the file
• path.resolve(__dirname, 'directoryPath')
4. For reading
• fs.readFileSync()
5. For writing
• fs.writeFileSync()