text: 'use strict';
  
  const mainElections = [1990, 1994, 1998, 2002, 2006, 2010, 2014, 2018]
  const midTermElections = ['mid-term 2004']
  const votingPercentage = [99.99 , 99 , 101]
  
  //Adding an element in the begining
  midTermElections.unshift('mid-term 2000')
  //Adding an element in the end
  midTermElections.push('mid-term 2008')
  
  console.log(midTermElections)
  
  //Removing an element from the end
  midTermElections.pop() // returns the removed element.
  //Removing element from the begining
  midTermElections.shift()
  
  console.log(midTermElections)
  
  console.log(mainElections.indexOf(1991)) // returns -1 as element is not found
  console.log(mainElections.includes(1991)) // returns boolean