python 类型转换

• int to binary

  >>> bin(6)
  '0b110'
  >>> bin(6)[2:]
  '110'
  

• binary to int

  >>> int('11111111', 2)
  255
  
  >>> from bitstring import BitArray
  >>> b = Bitarray(bin='11111111')
  >>> b.uint
  255
  >>> b.int
  -1