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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 add_metpy_logo(fig, x=10, y=25, zorder=100, size='small', **kwargs):
 """Add the MetPy logo to a figure. Adds an image of the MetPy logo to the figure. Parameters fig : `matplotlib.figure` The `figure` instance used for plotting x : int x position padding in pixels y : float y position padding in pixels zorder : int The zorder of the logo size : str Size of logo to be used. Can be 'small' for 75 px square or 'large' for 150 px square. Returns ------- `matplotlib.image.FigureImage` The `matplotlib.image.FigureImage` instance created """

    return _add_logo(fig, x=x, y=y, zorder=zorder, which='metpy', size=size, **kwargs)