df_train = pd.read_csv(TRAIN_CSV) df_valid = pd.read_csv(VALID_CSV) df_test0 = df_valid.iloc[ 0:NB_CLASSES*1,:] #Bold df_test1 = df_valid.iloc[NB_CLASSES*1:NB_CLASSES*2,:] #Heavy df_test2 = df_valid.iloc[NB_CLASSES*2:NB_CLASSES*3,:] #Light…