Hi, welcome to the forums.
Note that the task is to add 8 to tasks, not to reassign it the value 8.
You should be doing a + 8 somewhere, not simply saying tasks = 8. 
Hi, welcome to the forums.
Note that the task is to add 8 to tasks, not to reassign it the value 8.
You should be doing a + 8 somewhere, not simply saying tasks = 8.