8- How do you know whether to use a for loop or a while loop?

9- Give an example of a statement that has a label in it:

10- Give an example of a nested function call:

11- Give an example of an operator:

12- What is the relationship between a value and an expression?

13- Why is it that an argument can be any kind of expression as needed, but a parameter can only be a variable?

14- Why do the break statement and a while True loop go together?

15- In python list subscripts start with 0. How does that make them particularly compatible with the for loop with the range function?

16- Which statement creates a variable?