# Start with users that need to be verified, # and an empty list to hold confirmed users. unconfirmed_users = ['alice', 'brian', 'candace'] confirmed_users = [] # Verify each user until there are no more unconfirmed users. # Move each verified user into the list of confirmed users. while unconfirmed_users: current_user = unconfirmed_users.pop() print(f"Verifying user: {current_user.title()}") confirmed_users.append(current_user) # Display all confirmed users. print("\nThe following users have been confirmed:") for confirmed_user in confirmed_users: print(confirmed_user.title())