Encoding Error_AOC_2020_Day9

with open ('Day9.txt', 'rt') as f:
    data = [int(x) for x in  f.read().split('\n')]

#Part 1
moving = data[:25]
position = 24
positions = {}
for pos, number in enumerate(data[25:]):
    for ind, preamble in enumerate(moving):
        res = number - preamble
        if res in moving[ind+1:]:
            position += 1
            moving = moving[1:]
            moving.append(number)
            positions[position] = number
            break

    if number != positions.get(pos+25):
        posi = pos + 25
        odd = data[pos+25]
        print(posi, odd )
        break

#Part 2
new_data = data[:posi]
for pos, number in enumerate(new_data[:-1]):
    for length in range(2,len(new_data)+1):
        moving = new_data[pos:length]
        if sum(moving) == odd:
            print(min(moving) + max(moving))
            break