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Python Object-Oriented Python Instant Objects Master Class

OOP master class RaceCar 2 of 3

i cant see whats wrong with my code. i checked the forum and everyone else who contributed to helping others solve this problem has the exact same code as me. i am getting very frsutrated with this, please help.

racecar.py
class RaceCar():

    def __init__(self, color, fuel_remaining, laps=0, **kwargs):
        self.color = color
        self.fuel_remaining = fuel_remaining
        self.laps = laps

        for k, v in kwargs.items():
            setattr(self, k, v)

    def run_lap(self, length):
        self.fuel_remaining -= self.length * 0.125
        self.laps += 1

nevermind i figured it out, length didnt need a self. on it as it isnt a class attribute