06. Barcode Generator. PB Exam Python 18 and 19 July

barcode_start = int(input())
barcode_finish = int(input())

number_thousand = barcode_start // 1000
number_thousand_finish = barcode_finish // 1000
number_hunderd = barcode_start // 100
number_hunderd %= 10
number_hunder_finish = barcode_finish // 100
number_hunder_finish %= 10
number_ten = barcode_start // 10
number_ten %= 10
number_ten_finish = barcode_finish // 10
number_ten_finish %= 10
number_one = barcode_start % 10
number_one_finish = barcode_finish % 10

for thousend_position in range(number_thousand, number_thousand_finish +1):
    for hundred_position in range(number_hunderd, number_hunder_finish + 1):
        for ten_position in range(number_ten, number_ten_finish + 1):
            for one_position in range(number_one, number_one_finish + 1):
                if thousend_position % 2 == 1 and \
                    hundred_position % 2 == 1 and \
                    ten_position % 2 == 1 and \
                    one_position % 2 == 1:
                    print(f"{thousend_position}{hundred_position}{ten_position}{one_position}", end=" ")