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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_lines(self, bg, colour, extent, line, xo, yo):
 """Draw a set of lines from a vector tile."""

        coords = [self._scale_coords(x, y, extent, xo, yo) for x, y in line]
        self._draw_lines_internal(coords, colour, bg)