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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_cartesian_coords(self, fractional_coords: Vector3Like) -> np.ndarray: """ Returns the cartesian coordinates given fractional coordinates. Args: fractional_coords (3x1 array):
 Fractional coords. Returns: Cartesian coordinates """

        return dot(fractional_coords, self._matrix)