I need to create a list, fill it with unique 8 digit numbers, then query the list to see if the next 8 digit number is unique. If it's already in the list my function will return true. If it gets through the whole list and does not find a match, I will return false.
What is the syntax to:
1) create the list
2) add an item to the list
3) check the list to see if a given 8 digit number is found.