Welcome to the Python screen.
The question is on your right: Find Transaction IDs Not in Second List. Read through the requirements first.
Run and submit your code as often as you need. You also have five interviewer messages this session - want to talk through your approach, or are you ready to start coding?
Given two lists of transaction IDs, list1 and list2, return a list of transaction IDs that exist in list1 but not in list2.
def find_missing_transactions(list1, list2):