code: def get_function_id(sig):
      ''''
          Return the function id of the given signature
      Args:
          sig (str)
      Return:
          (int)
      '''
      s = sha3.keccak_256()
      s.update(sig.encode('utf-8'))
      return int("0x" + s.hexdigest()[:8], 16f get_function_id(sig):
      ''''
          Return the function id of the given signature
      Args:
          sig (str)
      Return:
          (int)
      '''
      s = sha3.keccak_256()
      s.update(sig.encode('utf-8'))
      return int("0x" + s.hexdigest()[:8], 16)
docs: Return the function id of the given signature
      Args:
          sig (str)
      Return:
          (int)