Exercise 60
- Create a new index60.js file
- Define a grade variable and assign a value bettwen 0 and 10
- If the grade is bigger or equal to 9 then show the following message: Great work!!
- If the grade is lower than 9 and bigger or equal to 6 then show the following message: You've done it!
- Else show the following message: You need to do all the exercises again, please try again!
- Change teh grade value to test all cases