def generate_seat_letters(number):
    letters = ["A","B","C","D"]
    for n in range(number):
        yield letters[n % len(letters)]
        
def generate_seats(number):
    for i, letter in enumerate(generate_seat_letters(number)):
        row = (i//4) + 1
        print(f"{row}{letter}")
        print("hello")
        print("show")
        print("esta muite obrigado")
        print(" esta bien de obrigado")
        print("esta del costa del sol")
        print("esta mucho show")
        print("esta mucho del costa del sol dus astarmaniania")
        yield f"{row}{letter}"

letra = list(generate_seat_letters(4))
print(f"letras: {letra}")

seat = generate_seats(8)
print(f"Seats: {list(seat)}")