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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_model(LAB_DIR):
 """ Cannon model params """

    coeffs = np.load("%s/coeffs.npz" %LAB_DIR)['arr_0']
    scatters = np.load("%s/scatters.npz" %LAB_DIR)['arr_0']
    chisqs = np.load("%s/chisqs.npz" %LAB_DIR)['arr_0']
    pivots = np.load("%s/pivots.npz" %LAB_DIR)['arr_0']
    return coeffs, scatters, chisqs, pivots