Select one of the project ideas below and develop a Python application that meets the requirements described below: Project ideas (should you want to work on another idea make sure to check with your instructor first): 7. Online store: users should be able to order items for sale or combo items (items when bought together trigger a discount). The order should include number of items and prices for items and should generate and display receipts. 8. File manager: the user should be able to create folders and subfolders and should be able to copy and move files to the newly created directories. The user should be able to sort the directories. The user should be able to see what files are in a directory of choice. 9. Library: users should be able to search for books by title or by author, should be able to search by book category (fiction, non-fiction, autobiographies, travel, etc.). The user should be able to purchase one or more books in any combination of authors, titles, categories, etc. The application should generate and display a receipt stating the list of books selected and their return due dates. 10. Expense tracker: the user should be able to enter expenses per category (food, clothing, entertainment, rent, etc) and the application should track the expenses per week or month. The user should be able to see their total expenses for a month of their choice for each category and a total monthly expense. The monthly expense report should include average expenses for each category for the year and indicate if the user expense for the month selected-is lower or higher than the annual average. Also, the report should display the percentage of expenses from each category out of the total monthly expenses.