for iy in {2001..2020}; do
    for idate in `cat hdate.txt`; do
        cp temp.py  tmp.py
        sed -i "s|2020|${iy}|g" tmp.py
        sed -i "s|03-01|${idate}|g" tmp.py
        python tmp.py
        rm -rf tmp.py
      #  cp tmp.py tmp_${iy}_${idate}.py
        #mv raw_tp_* /home/hatp/work/data/S2S/download_Mar2021/download_data/ 
        echo ${idate}
    done
done