code: def text(draw, xy, txt, fill=None, font=None):
      
      font = font or DEFAULT_FONT
      x, y = xy
      for ch in txt:
          for byte in font[ord(ch)]:
              for j in range(8):
                  if byte & 0x01 > 0:
                      draw.point((x, y + j), fill=fill)
  
                  byte >>= 1
              x += 1
docs: Draw a legacy font starting at :py:attr:`x`, :py:attr:`y` using the
      prescribed fill and font.
  
      :param draw: A valid canvas to draw the text onto.
      :type draw: PIL.ImageDraw
      :param txt: The text string to display (must be ASCII only).
      :type txt: str
      :param xy: An ``(x, y)`` tuple denoting the top-left corner to draw the
          text.
      :type xy: tuple
      :param fill: The fill color to use (standard Pillow color name or RGB
          tuple).
      :param font: The font (from :py:mod:`luma.core.legacy.font`) to use.