CODE EXAMPLE FOR PYTHON

pandas groupby to get list of values

groupByCol = "FID"
elementFromColToList = "name_ID"

temp = df.groupby(groupByCol)[elementFromColToList].apply(list).to_frame()
temp
                  
groupid      b      
1            [1, 2, 3]
3            [27]
4            [42, 42, 8]