def backward_char ( self , e ) : # (C-b)
 self . l_buffer . backward_char ( self . argument_reset ) self . finalize ( )
howt to make character jump up in python
u Move back a character .
def backward_char(self, e): # (C-b)
        u"""Move back a character. """
        self.l_buffer.backward_char(self.argument_reset)
        self.finalize()