# -*- coding: utf-8 -*- print u'''床前明月光, 疑是地上霜。 举头望明月, 低头思故乡。''' 运行失败 Traceback (most recent call last):  File "index.py", line 6, in    低头思故乡。''' UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-4: ordinal not in range(128) 怎么样改错啊？