>>> s = ['0000', '0001', '0010', '0011', '0100', '0101', '0110', '0111', '1000', '1001', '1010', '1011', '1100', '1101', '1110', '1111']
>>> s[0xF]
'1111'
>>> s[(n&0xF000)>>12]+" "+s[(n&0x0F00)>>8]+" "+s[(n&0x00F0)>>4]+" "+s[(n&0x000F)>>0]
'0011 0000 0111 0110'
>>>
모듈 같은 걸로 만들어주면 좋을텐데...


