code: def putch(self, text, x, y, colour=7, attr=0, bg=0, transparent=False):
          
          self.print_at(text, x, y, colour, attr, bg, transparent)
docs: Print text at the specified location.  This method is deprecated.  Use
          :py:meth:`.print_at` instead.
  
          :param text: The (single line) text to be printed.
          :param x: The column (x coord) for the start of the text.
          :param y: The line (y coord) for the start of the text.
          :param colour: The colour of the text to be displayed.
          :param attr: The cell attribute of the text to be displayed.
          :param bg: The background colour of the text to be displayed.
          :param transparent: Whether to print spaces or not, thus giving a
              transparent effect.