Essaycorp- Python Asssignment Help- Console Programming

Task:

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You are to plan and then code a console-based program in Python 3, as described in the following
information and sample output. This assignment will help you build skills using selection, repetition, file input/output, exceptions, lists, functions and string formatting. Do not to define any of your own classes. Assignment 2 will build on this program with more advanced code constructs including classes and a Graphical User Interface (GUI). Work incrementally on this task: complete small parts of it at a time rather than trying to get it all working at once.

Program+Overview:

This program is a simple shopping list that could also be used for TODO lists or similar purposes.
The program maintains a list of items in a file, and each item has:
• name, price, priority (1, 2 or 3), whether it is required or completed
Users can choose to see the list of required items or completed items, including a total of the
(estimated) price of all of those items. The lists will be sorted by priority.
Users can add new items and mark items as completed.
They cannot change items from completed to required.


Output+Requirements:

Sample output from the program is provided below. Ensure that your program matches the sample
output including spaces, spelling, and especially the formatting of the item lists. Think of this as helpful guidance as well as training you to pay attention to detail. The sample output is intended to show the full range of situations including user input error handling.