new_contents: import pandas as pd
  
  def main():
      
      # create a directory for selected photos
      print 'mkdir photos_las_vegas_food_drinks'
  
      # load data about selected photos
      selected_photos_business = pd.read_csv('las_vegas_food_drinks.csv')
      
      # for each photo generate copy command
      for photo_id in selected_photos_business['photo_id']: 
          print 'cp -v photos/' + photo_id + '.jpg photos_las_vegas_food_drinks'
  
  if __name__ == "__main__":
      main()
  
subject: Add copying of selected photos to a new directory