This project is about inventory-management-system-using-file_opening-in-Python:-

*steps inlove in this project:-

->First Create a file contain deatils of Inventory data. ->next using file opening function in python we need acess this data as show above program... ->after generating bill the data also updated in Inventory file. ->for customer deatils we are creating another file as "customer_deatils.txt" ->the deatils of customer are save in another file as customer_deatils.txt... ->An bill generation as show above program file(output).