Работа с файлами

fileOpen = open("test.txt")
mas = []

for i in range(8):
    mas.append(fileOpen.readline())
print(mas)

for i in range(len(mas)):
    mas[i] = int(mas[i])
print(mas)

fileOpen.close()

fileOpen = open("test.txt")
mas = list(map(int, fileOpen.readlines()))
print(mas)