##language:zh
#pragma section-numbers off
##含有章节索引导航的 ZPyUG 文章通用模板
<<TableOfContents>>

## 默许导航,请保留
<<Include(ZPyUGnav)>>

= 一句话将int转化为二进制字符串 =
>>> bin = lambda n:'0b'+''.join({'0':'0','1':'1','2':'10','3':'11','4':'100','5':'101','6':'110','7':'111','8':'1000','9':'1001','a':'1010','b':'1011','c':'1100','d':'1101','e':'1110','f':'1111'}[x] for x in hex(n)[2:].rstrip('L'))''

''>>> bin(65535)
''

"''11111111111111111' ''

----
 '' '''反馈''' ''