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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 draw_state(ax, p, text='', l=0.5, alignment='left', label_displacement=1.0,
 fontsize=25, atoms=None, atoms_h=0.125, atoms_size=5, **kwds):

 r"""Draw a quantum state for energy level diagrams."""

    ax.plot([p[0]-l/2.0, p[0]+l/2.0], [p[1], p[1]],
            color='black', **kwds)
    if text != '':
        if alignment == 'left':
            ax.text(p[0] - l/2.0 - label_displacement, p[1], text,
                    horizontalalignment='right', verticalalignment='center',
                    color='black', fontsize=fontsize)
        elif alignment == 'right':
            ax.text(p[0] + l/2.0 + label_displacement, p[1], text,
                    horizontalalignment='left', color='black',
                    fontsize=fontsize)

    # We draw atoms.
    if atoms is not None:
        atoms_x = np.linspace(p[0]-l*0.5, p[0]+l*0.5, atoms)
        atoms_y = [p[1] + atoms_h for i in range(atoms)]
        # print l, atoms_x
        ax.plot(atoms_x, atoms_y, "ko", ms=atoms_size)