text: //Part1 of challenge - Double
  //1 - Callback
  
  function getDouble(number) {
    console.log(number * 2)
  }
  
  function showResult(number, callback) {
    setTimeout(
      () => {
        getDouble(number)
        callback()
      }, 
      Math.floor(Math.random() * 100) + 1
    ) 
  }
  
  showResult(1, () => {
    showResult(2, () => {
      showResult(3, () => {
        showResult(4, () => {
          showResult(5, () => {
            console.log("Finish")
          })
        })
      })
    })
  })