python3 leco_lp_cost.py fb/fb-289000.txt fb > leco_lp_cost/fb.log   
python3 leco_lp_cost.py wf/newman.txt newman > leco_lp_cost/newman.log  
python3 leco_lp_cost.py house_price.txt house_price > leco_lp_cost/house_price.log  
python3 leco_lp_cost.py movieid.txt movieid > leco_lp_cost/movieid.log