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X axis on top ánd bottom

Dear readers,

In a scatter plot I want to plot the x-axis labels at the bottom (as default) and also at the top of the plot. Is this possible ?

I explored the secondary_y options, but this does not exist for the x-axis. Also does not mention an axis on the bottom and top at the same time. Using annotations is not satisfying either. Is there an option to select the x-axis label on both sides ?

Any suggestions here ?