help with a python vehicle inventory program

Your portfolio project consists of three components:

Assignment Instructions

Program corrections:

Make appropriate corrections to all the programming assignments submitted as Critical Thinking Assignments from Modules 1-6.
Submit the programs along with a carefully outlined description of corrections made in order for programs to run correctly.

Lessons learned reflection:

Create a 2-3 page summary that outlines the lessons learned in this Basic Programming course.

Final program:
Create a final program that meets the requirements outlined below.

Create an automobile class that will be used by a dealership as a vehicle inventory program. The following attributes should be present in your automobile class:
private string make
private string model
private string color
private int year
private int mileage

Your program should have appropriate methods such as:

At the end of your program, it should allow the user to output all vehicle inventory to a text file.