# 1. byrja spurja notanda um row og colum


def seat_to_letter(seats):
    list_seats = []
    if seats == 2:
        list_seats.append("A")
        list_seats.append("B")
    if seats == 4:
        list_seats.append("A")
        list_seats.append("B")
        list_seats.append("C")
        list_seats.append("D")
    if seats == 6:
        list_seats.append("A")
        list_seats.append("B")
        list_seats.append("C")
        list_seats.append("D")
        list_seats.append("E")
        list_seats.append("F")
    return list_seats

def inp_to_dict(row, list_seats):
    my_dict = {}
    for i in range(1, row+1):
        my_dict[i] = list_seats
    return my_dict

def print_rows(my_dict):
    seat_lenght = len(my_dict[1])
    counter = 0
    print(my_dict)
    #for attribute, value in my_dict.items():
        #print('{} : {}'.format(attribute, value))

def replace_seat(my_dict, book_seat):
    my_list = []
    replace_list = []
    my_list.append(book_seat)
    for i in my_list:
        row, seat = i.split(" ")
        replace_list.append((row, seat))
    x = replace_list[0][0]
    y = replace_list[0][1]
    if int(x) in my_dict.keys():
        if y in [x for v in my_dict.values() for x in v]:
            my_dict[int(x)] = [s.replace(y, 'X') for s in my_dict[int(x)]]
            print_rows(my_dict)
    else:
        print("Seat number is invalid!")
    return my_dict


def seat_taken(my_dict, book_seat):
    pass


def main():
    loop = True
    row = int(input("Enter number of rows: "))
    seats = int(input("Enter number of seats in each row: "))
    while loop:
        list_seats = seat_to_letter(seats)
        seat_to_letter(seats)
        inp_to_dict(row, list_seats)
        my_dict = inp_to_dict(row, list_seats)
        print_rows(my_dict)
        book_seat = input("Input seat number (row seat): ")
        replace_seat(my_dict, book_seat)
        more = input("More seats (y/n)?")
        if more == "n":
            loop = False
        else:
            book_seat = input("Input seat number (row seat): ")
            replace_seat(my_dict, book_seat)



main()