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Python 3. use the tkinter module to write a program that calculates a


This assignment involves the use of GUI widgets to create an OOP/Event-driven program. With Python 3.

Use the tkinter module to write a program that calculates a car’s gas mileage. The program’s window should have Entry widgets that let the user enter the number of gallons of gas the car holds, and the number of miles it can be driven on a full tank of gas. When a “Calculate MPG” button is clicked, the program should display the number of miles that the car may be driven per gallon of gas (rounded to one decimal place). Use the following formula to calculate miles-per-gallon:

MPG = miles / gallons

Write the program using the object-oriented approach by creating a MPG_GUI class, and then create an instance of that class.

Your program’s interface should look similar to this:

tk How many gallons? How many miles? Miles per gallon: Calculate MPG Quit

Miles per gallon needs to round to one decimal place.

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