import sys import re from pprint import pprint def extract_key(f, addr): f.seek(0) processed = 0 start = False mem = [] for line in f: if line.startswith(addr): start = True if start: processed += 1 line_data = re.split(r'\s*', line) mem.append(line_data[1]) if processed == 4: break key = [] for data in mem: tmp = [] for i in xrange(len(data) / 2): tmp.append(data[i * 2 : i * 2 + 2]) key.append(.join(reversed(tmp))) return .join(key) def main(dis_file): def usage():