dump.py

#!/usr/bin/env python
import struct


def main():
    l = []

    with open('./flag_oct', 'r') as f:
        for i in f:
            l = i.split(' ')

    with open('flag', 'wb') as f:
        for i in l:
            f.write(struct.pack("B", int(i, 8)))


if __name__ == "__main__":
    main()