You need to create a method that returns a list of valid customer IDs
which form should you implement the score member?
How should you rewrite lines 03 through 06 of the method?
Which type of block should you use?
What should you include in the application code?
Which line of code should you identify?
Which code should you insert at line 04?
How should you complete the relevant code?
Which code should you insert at line 03?
How should you complete the relevant code segment?