code: def init(self):
          "Initialize the message-digest and set all fields to zero."
  
          self.length = 0L
          self.input = []
  
          # Load magic initialization constants.
          self.A = 0x67452301L
          self.B = 0xefcdab89L
          self.C = 0x98badcfeL
          self.D = 0x10325476f init(self):
          "Initialize the message-digest and set all fields to zero."
  
          self.length = 0L
          self.input = []
  
          # Load magic initialization constants.
          self.A = 0x67452301L
          self.B = 0xefcdab89L
          self.C = 0x98badcfeL
          self.D = 0x10325476L
docs: Initialize the message-digest and set all fields to zero.