code: def init(self):
          "Initialize the message-digest and set all fields to zero."
  
          self.length = 0
          self.input = []
  
          # Initial 160 bit message digest (5 times 32 bit).
          self.H0 = 0x67452301
          self.H1 = 0xEFCDAB89
          self.H2 = 0x98BADCFE
          self.H3 = 0x10325476
          self.H4 = 0xC3D2E1Ff init(self):
          "Initialize the message-digest and set all fields to zero."
  
          self.length = 0
          self.input = []
  
          # Initial 160 bit message digest (5 times 32 bit).
          self.H0 = 0x67452301
          self.H1 = 0xEFCDAB89
          self.H2 = 0x98BADCFE
          self.H3 = 0x10325476
          self.H4 = 0xC3D2E1F0
docs: Initialize the message-digest and set all fields to zero.