python List和String 转换注意

不能用str(list),
t=['\x87\xe9\xa5\xb0\xef\xbc']
In [28]: str(t)
Out[28]: "['\\x87\\xe9\\xa5\\xb0\\xef\\xbc']"

要用‘’.join(list)

In [29]: ''.join(t)
Out[29]: '\x87\xe9\xa5\xb0\xef\xbc'