Make Room For Ylabel Using Axesgrid

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from mpl_toolkits.axes_grid1 import make_axes_locatable
from mpl_toolkits.axes_grid1.axes_divider import make_axes_area_auto_adjustable


if __name__ == "__main__":

    import matplotlib.pyplot as plt

    def ex1():
        plt.figure(1)
        ax = plt.axes([0, 0, 1, 1])
        #ax = plt.subplot(111)

        ax.set_yticks([0.5])
        ax.set_yticklabels(["very long label"])

        make_axes_area_auto_adjustable(ax)

    def ex2():

        plt.figure(2)
        ax1 = plt.axes([0, 0, 1, 0.5])
        ax2 = plt.axes([0, 0.5, 1, 0.5])

        ax1.set_yticks([0.5])
        ax1.set_yticklabels(["very long label"])
        ax1.set_ylabel("Y label")

        ax2.set_title("Title")

        make_axes_area_auto_adjustable(ax1, pad=0.1, use_axes=[ax1, ax2])
        make_axes_area_auto_adjustable(ax2, pad=0.1, use_axes=[ax1, ax2])

    def ex3():

        fig = plt.figure(3)
        ax1 = plt.axes([0, 0, 1, 1])
        divider = make_axes_locatable(ax1)

        ax2 = divider.new_horizontal("100%", pad=0.3, sharey=ax1)
        ax2.tick_params(labelleft="off")
        fig.add_axes(ax2)

        divider.add_auto_adjustable_area(use_axes=[ax1], pad=0.1,
                                         adjust_dirs=["left"])
        divider.add_auto_adjustable_area(use_axes=[ax2], pad=0.1,
                                         adjust_dirs=["right"])
        divider.add_auto_adjustable_area(use_axes=[ax1, ax2], pad=0.1,
                                         adjust_dirs=["top", "bottom"])

        ax1.set_yticks([0.5])
        ax1.set_yticklabels(["very long label"])

        ax2.set_title("Title")
        ax2.set_xlabel("X - Label")

    ex1()
    ex2()
    ex3()

    plt.show()