def _write(self, pos, txt, align, font, pencolor):
        
        self._draw_pos+=1
        _text= _svg.text(txt, x=pos[0], y=pos[1], fill=pencolor,
                         style={'display': 'none'})
        _text <= _svg.animate(Id="animateLine%s" % self._draw_pos,
                              attributeName="display", attributeType="CSS",
                              From="block", to="block", dur="1s", fill='freeze',
                              begin="animateLine%s.end" % (self._draw_pos-1))

        self._canvas <= _text
        return Vec2D(pos[0]+50, pos[1]+50)  #fix me

##    def _dot(self, pos, size, color):
##        """may be implemented for some other graphics toolkit"""
Write txt at pos in canvas with specified font
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/site-packages/turtle.py/TurtleScreenBase._write