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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 dead_chips(self):
 """Generate the coordinates of all dead chips. Yields ------ (x, y) The coordinate of a dead chip. """

        for x in range(self.width):
            for y in range(self.height):
                if (x, y) not in self:
                    yield (x, y)