Change column value on identical indexes


This Content is from Stack Overflow. Question asked by Dante van der Heijden

Have the following dataframe:

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Sometimes the index is duplicate and then I want to change the value in the column ‘Hotspot’. So prograding_feature_polygon_30 should be changed to prograding_feature_polygon_30_1 and the second on index 0 to prograding_feature_polygon_30_2.

The same on index 1, so again the values should be changed to prograding_feature_polygon_30_1 and prograding_feature_polygon_30_2. And so on…

Indexes are not always duplicate and if not, the value in Hotspot should remain the same. Anyone knows an easy way to do this?




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