[Python] Assign values from array 1 to array 2 with different grid based on nearest lonlat...

I have two NetCDF4 files with different grids and dimensions (but both approximately cover the same area, see images below). One has information on land-use, the other on topography.

I now want to add this topography variable to the land-use file by assigning each elevation value in the topography file to the correct gridcell in the land-use file based on the nearest lonlat coordinate.

How would I do this in Python?

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