for band in A01 A02 A03
do
./01_bgdmodel.py $band 
done

for band in B01 B02 B03 B04 B05 B06 B07 B08 B09 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21
do
./01_bgdmodel.py $band 
done