# Data of my life ```:javascript= let name = "Haorui Huang" let age = 22 let lawKnowledge = 10 let energy = 10 let readyTo Study = false // Haorui is a student studying LSAT to enter law school // If his law knowledge is greater than 50, he can get a good score on the test get.time(); //<<< 9am // He wakes at 9am name="Haorui Huang" energy = 10 readyToStudy=true //After he wakes up at 9am, he is ready to study LSAT with an energy level of time let studyMaterial = { open = true notebookOpen = true testNumber= 80 } // Haorui has opened his notebook and is ready to do the mock tests. let hoursStudied=0 function testKilling(){ if energy = energy-hoursStudied then testNumber = 80-energy lawknowledge +=1 } // It takes 1 unit of energy to study for 1 hour. It also takes 1 hour to finish a test. Law Knowledge will increase with studying let hoursStudied= 8 testKilling(); testKilling(); testKilling(); testKilling(); testKilling(); testKilling(); testKilling(); testKilling(); //Study from the fisrt hour to the eighth hour name = "Haorui Huang" energy = 2 lawKnowledge= 18 // after 8 hours of study, Haorui has 2 units of energy left and gained 8 extra units of law knowledge. sleep(); // after continous study, Haorui falls asleep ```