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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 format_axis(ax, label_padding=2, tick_padding=0, yticks_position='left'):
 """Set standardized axis formatting for figure."""

    ax.xaxis.set_ticks_position('bottom')
    ax.yaxis.set_ticks_position(yticks_position)
    ax.yaxis.set_tick_params(which='both', direction='out', labelsize=fontsize,
                             pad=tick_padding, length=2, width=0.5)
    ax.xaxis.set_tick_params(which='both', direction='out', labelsize=fontsize,
                             pad=tick_padding, length=2, width=0.5)
    ax.xaxis.labelpad = label_padding
    ax.yaxis.labelpad = label_padding
    ax.xaxis.label.set_size(fontsize)
    ax.yaxis.label.set_size(fontsize)