text: const http = require('http')
  
  const url = process.argv[2]
  const url2 = process.argv[3]
  const url3 = process.argv[4]
  
  let getUrlContent = (url, callbackEnd  = () => {}) => {
    if (!url) {
      callbackEnd()
    }
    http.get(url, (response) => {
      response.setEncoding('utf8')
      let allData = ''
      response.on('data', (data) => {
        allData += data
      })
      response.on('end', () => {
        callbackEnd(allData)
      })
    })
  }
  
  let displayData = (allData) => {
    console.log(allData)
  }
  
  getUrlContent(url, (allData) => {
    console.log(allData)
    getUrlContent(url2, (allData) => {
      console.log(allData)
      getUrlContent(url3, (allData) => {
        console.log(allData)
      })
    })
  })
  