listing.py

def listing():
        list1 = [1,2,5,4,8,9,6,3,6,4,9,5]
        list2 = []
        counter = 0

        for x in list1:
                if counter == 0 or counter == (len(list1) - 1):
                        list2.append(list1[counter])
                else:
                        pass  # if condition is not matched then pass
                print(counter)
                counter += 1

        print(list2)

listing()