def string_get(self, ypos, xpos, length):
<EOL>xpos -= <NUM_LIT:1><EOL>ypos -= <NUM_LIT:1><EOL>cmd = self.exec_command(<EOL>"<STR_LIT>".format(ypos, xpos, length).encode("<STR_LIT:ascii>")<EOL>)<EOL>assert len(cmd.data) == <NUM_LIT:1>, cmd.data<EOL>return cmd.data[<NUM_LIT:0>].decode("<STR_LIT:ascii>")<EOL>
Get a string of `length` at screen co-ordinates `ypos`/`xpos`

Co-ordinates are 1 based, as listed in the status area of the
terminal.