def get_n():
path = lib.get_timed_path('toweiqun') + "-n"
if os.path.exists(path):
return int(lib.readfrom(path))
else:
lib.writeto(path, "0")
return 0
def set_n(n):
path = lib.get_timed_path('toweiqun') + "-n"
lib.writeto(path, str(n))