code: def do_du(self, arg):
          
          if not arg:
              arg = self.default_display_target
          token_list              = self.split_tokens(arg, 1, 2)
          pid, tid, address, size = self.input_display(token_list, 256)
          process                 = self.get_process(pid)
          data                    = process.peek_string(address, True, size)
          if data:
              print(repr(data))
          self.last_display_command = self.do_du
docs: [~thread] du <register> - show memory contents as Unicode string
          [~process] du <address> - show memory contents as Unicode string