
import matplotlib.pyplot as plt


import random
fontsizes = [8, 16, 24, 32]
def example_plot(ax):
    ax.plot([1, 2])
    ax.set_xlabel('x-label', fontsize=random.choice(fontsizes))
    ax.set_ylabel('y-label', fontsize=random.choice(fontsizes))
    ax.set_title('Title', fontsize=random.choice(fontsizes))

if 1:
    fig, ax = plt.subplots()
    example_plot(ax)
    plt.tight_layout()

    fig, ((ax1, ax2), (ax3, ax4)) = plt.subplots(nrows=2, ncols=2)
    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)
    example_plot(ax4)
    plt.tight_layout()

    fig, (ax1, ax2) = plt.subplots(nrows=2, ncols=1)
    example_plot(ax1)
    example_plot(ax2)
    plt.tight_layout()

    fig, (ax1, ax2) = plt.subplots(nrows=1, ncols=2)
    example_plot(ax1)
    example_plot(ax2)
    plt.tight_layout()

    fig, axes = plt.subplots(nrows=3, ncols=3)
    for row in axes:
        for ax in row:
            example_plot(ax)
    plt.tight_layout()


    fig = plt.figure()

    ax1 = plt.subplot(221)
    ax2 = plt.subplot(223)
    ax3 = plt.subplot(122)

    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)

    plt.tight_layout()


    fig = plt.figure()

    ax1 = plt.subplot2grid((3, 3), (0, 0))
    ax2 = plt.subplot2grid((3, 3), (0, 1), colspan=2)
    ax3 = plt.subplot2grid((3, 3), (1, 0), colspan=2, rowspan=2)
    ax4 = plt.subplot2grid((3, 3), (1, 2), rowspan=2)

    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)
    example_plot(ax4)

    plt.tight_layout()

    plt.show()


    fig = plt.figure()

    import matplotlib.gridspec as gridspec

    gs1 = gridspec.GridSpec(3, 1)
    ax1 = fig.add_subplot(gs1[0])
    ax2 = fig.add_subplot(gs1[1])
    ax3 = fig.add_subplot(gs1[2])

    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)

    gs1.tight_layout(fig, rect=[None, None, 0.45, None])

    gs2 = gridspec.GridSpec(2, 1)
    ax4 = fig.add_subplot(gs2[0])
    ax5 = fig.add_subplot(gs2[1])

    #example_plot(ax4)
    #example_plot(ax5)

    gs2.tight_layout(fig, rect=[0.45, None, None, None])

    # now match the top and bottom of two gridspecs.
    top = min(gs1.top, gs2.top)
    bottom = max(gs1.bottom, gs2.bottom)

    gs1.update(top=top, bottom=bottom)
    gs2.update(top=top, bottom=bottom)
    
    plt.show()





import matplotlib.pyplot as plt


import random
fontsizes = [8, 16, 24, 32]
def example_plot(ax):
    ax.plot([1, 2])
    ax.set_xlabel('x-label', fontsize=random.choice(fontsizes))
    ax.set_ylabel('y-label', fontsize=random.choice(fontsizes))
    ax.set_title('Title', fontsize=random.choice(fontsizes))

if 1:
    fig, ax = plt.subplots()
    example_plot(ax)
    plt.tight_layout()

    fig, ((ax1, ax2), (ax3, ax4)) = plt.subplots(nrows=2, ncols=2)
    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)
    example_plot(ax4)
    plt.tight_layout()

    fig, (ax1, ax2) = plt.subplots(nrows=2, ncols=1)
    example_plot(ax1)
    example_plot(ax2)
    plt.tight_layout()

    fig, (ax1, ax2) = plt.subplots(nrows=1, ncols=2)
    example_plot(ax1)
    example_plot(ax2)
    plt.tight_layout()

    fig, axes = plt.subplots(nrows=3, ncols=3)
    for row in axes:
        for ax in row:
            example_plot(ax)
    plt.tight_layout()


    fig = plt.figure()

    ax1 = plt.subplot(221)
    ax2 = plt.subplot(223)
    ax3 = plt.subplot(122)

    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)

    plt.tight_layout()


    fig = plt.figure()

    ax1 = plt.subplot2grid((3, 3), (0, 0))
    ax2 = plt.subplot2grid((3, 3), (0, 1), colspan=2)
    ax3 = plt.subplot2grid((3, 3), (1, 0), colspan=2, rowspan=2)
    ax4 = plt.subplot2grid((3, 3), (1, 2), rowspan=2)

    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)
    example_plot(ax4)

    plt.tight_layout()

    plt.show()


    fig = plt.figure()

    import matplotlib.gridspec as gridspec

    gs1 = gridspec.GridSpec(3, 1)
    ax1 = fig.add_subplot(gs1[0])
    ax2 = fig.add_subplot(gs1[1])
    ax3 = fig.add_subplot(gs1[2])

    example_plot(ax1)
    example_plot(ax2)
    example_plot(ax3)

    gs1.tight_layout(fig, rect=[None, None, 0.45, None])

    gs2 = gridspec.GridSpec(2, 1)
    ax4 = fig.add_subplot(gs2[0])
    ax5 = fig.add_subplot(gs2[1])

    #example_plot(ax4)
    #example_plot(ax5)

    gs2.tight_layout(fig, rect=[0.45, None, None, None])

    # now match the top and bottom of two gridspecs.
    top = min(gs1.top, gs2.top)
    bottom = max(gs1.bottom, gs2.bottom)

    gs1.update(top=top, bottom=bottom)
    gs2.update(top=top, bottom=bottom)
    
    plt.show()




#example_plot(ax4) #example_plot(ax5) # now match the top and bottom of two gridspecs.