Автоматизация математических действий

with open('1.txt', 'r') as f1, open('2.txt', 'r') as f2, open('out.txt', 'w') as f3:
    f3.write('\n'.join(map(lambda x: f'{int(x[0], 16) - int(x[1], 16)}', zip(f1.read().split(), f2.read().split()))))

with open('2.txt', 'r') as f2:
     for line in f2:
    string = str(line.strip("\n") - "\n") * 10
            with open('1.txt', 'r') as f1:
             lambda x: f'{int(x[0], 16) - int(x[1], 16)}'
                 saveList.append(string)
            f1.close()
                with open('1.txt', 'w') as f1:
                     saveList = list(map(str, saveList))
                     f1.writelines(saveList)
                f1.close()
f2.writelines(saveList)
f2.close()

n = 5
with open('2.txt', 'r') as f2:
    nums2 = list(map(lambda x: int(x, 16), f2.read().split()))
for _ in range(n):
    with open('1.txt', 'r') as f1:
        nums1 = list(map(lambda x: int(x, 16), f1.read().split()))
    with open('1.txt', 'w') as f1:
        f1.write('\n'.join(map(lambda x: f'{int(x[0], 16) - int(x[1], 16)}', zip(nums1, nums2))))

n = 5
with open('2.txt', 'r') as f2:
    nums2 = list(map(lambda x: int(x, 16), f2.read().split()))
for _ in range(n):
    with open('1.txt', 'r') as f1:
        nums1 = list(map(lambda x: int(x, 16), f1.read().split()))
    with open('1.txt', 'w') as f1:
        f1.write('\n'.join(map(lambda x: f'{hex(x[0] - x[1])[2:]}', zip(nums1, nums2))))

f1.write('\n'.join(map(lambda x, y: f'{hex(x - y)[2:]}', nums1, nums2)))

n = 5
with open('2.txt', 'r') as f2:
    nums2 = int(f2.read(), 16)
for _ in range(n):
    with open('1.txt', 'r') as f1:
        nums1 = int(f1.read().strip(), 16)
        res = nums1 - nums2
        if res <= int('ffffffff0', 16):
            break
    with open('1.txt', 'w') as f1:
        f1.write(hex(res)[2:])