Using pycham Compiler
python project:  prog-car
type pure  
cofiguration:
script path -  C:\...\Desktop\PSCgroup\4-pyCham\2-samples\prog-car\venv\Scripts\python.exe
python interpretor - C:/.../Desktop/PSCgroup/4-pyCham/2-samples/prog-car/file1-progcar.py


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source code, python file: file1-progcar.py

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class Car:

    def __init__(self, speed=0):
        self.speed = speed
        self.odometer = 0
        self.time = 0

    def say_state(self):
        print("I'm going {} kph!".format(self.speed))

    def accelerate(self):
        self.speed += 5

    def brake(self):
        self.speed -= 5

    def step(self):
        self.odometer += self.speed
        self.time += 1

    def average_speed(self):
        if self.time != 0:
            return self.odometer / self.time
        else:
            pass


if __name__ == '__main__':

    my_car = Car()
    print("I'm a car!")
    while True:
        action = input("What should I do? type [A]=Accelerate, [B]=Brake, [O]=show dometer, or [S]=show average Speed?").upper()

        if action not in 'ABOS' or len(action) != 1:
            print("I don't know how to do that")

            continue

        if action == 'A':
            my_car.accelerate()

        elif action == 'B':
            my_car.brake()

        elif action == 'O':
            print("The car has driven {} kilometers".format(my_car.odometer))

        elif action == 'S':
            print("The car's average speed was {} kph".format(my_car.average_speed()))
        my_car.step()
        
        my_car.say_state()

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output, after debug and run the Resultat
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I'm a car!

What should I do? type [A]=Accelerate, [B]=Brake, [O]=dometer, or [S]=average Speed?A
I'm going 5 kph!

What should I do? type [A]=Accelerate, [B]=Brake, [O]=dometer, or [S]=average Speed?S
The car's average speed was 5.0 kph
I'm going 5 kph!

What should I do? type [A]=Accelerate, [B]=Brake, [O]=dometer, or [S]=average Speed?0
I don't know how to do that

What should I do? type [A]=Accelerate, [B]=Brake, [O]=dometer, or [S]=average Speed?5
I don't know how to do that

What should I do? type [A]=Accelerate, [B]=Brake, [O]=dometer, or [S]=average Speed?  ...