06. Building (solutions with or not ternary operator)

floors = int(input())
flats_per_floor = int(input())

for f in range(floors, 0, -1):
    appendix = ""
    if f == floors:
        appendix = "L"
    elif f % 2 == 1:
        appendix = "A"
    else:
        appendix = "O"
    for n in range(flats_per_floor):
        print(f"{appendix}{f}{n}", end=" ")
    print()


Решение с тернарен оператор:

floors = int(input())
flats_per_floor = int(input())

for f in range(floors, 0, -1):
    appendix = "L" if f == floors else "A" if f % 2 == 1 else "O"
    for n in range(flats_per_floor):
        print(f"{appendix}{f}{n}", end=" ")
    print()