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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def draw(self):
 """Draws ASCII canvas on the screen."""

        if sys.stdout.isatty():  # pragma: no cover
            from asciimatics.screen import Screen

            Screen.wrapper(self._do_draw)
        else:
            for line in self.canvas:
                print("".join(line))