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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 get_axis_grid(self, ind):
 """ Returns the grid for a particular axis. Args: ind (int):
 Axis index. """

        ng = self.dim
        num_pts = ng[ind]
        lengths = self.structure.lattice.abc
        return [i / num_pts * lengths[ind] for i in range(num_pts)]