insert column into array using scaler obj (numpy.insert)

Question

    import numpy as np
    a = np.array([[1, 6], [2, 7], [3, 8]])
    print(a,\'\\n\')
    c2 = np.insert(a, [1], [[9],[99],[999]], axis=1)
    print(c2,\'\\n\')
    c3