const express = require('express')

const app = express()

app.get('/', (req, res) => res.send('Hello'))

setInterval(() => console.log('tick'), 1000)

const sum = (a, b) => a + b

fetch('/api').then(r => r.json())

app.listen(3000)

console.log('Server running')

const multiply = (a, b) => a * b

const delay = ms => new Promise(res => setTimeout(res, ms))

process.on('exit', () => console.log('Bye'))