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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 remove_spines(ax, sides):
 """ Remove spines of axis. Parameters: ax: axes to operate on sides: list of sides: top, left, bottom, right Examples: removespines(ax, ['top']) removespines(ax, ['top', 'bottom', 'right', 'left']) """

    for side in sides:
        ax.spines[side].set_visible(False)
    return ax