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Python Object-Oriented Python Instant Objects Master Class

Posted by Trace Harris
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Trace Harris
Python Web Development Techdegree Graduate 22,065 Points

So I am not able to call laps and increment, Am I setting the attribute wrong?

I am not sure why I am not passing the second part of this challenge, It feels pretty straight forward. currently I trying to create the laps attribute on the init method and then within the method body of run_lap increment attribute by one.

racecar.py 
class RaceCar():
    def __init__(self, color, fuel_remaining, laps =0, **kwargs):
        self.laps = laps
        self.color = color
        self.fuel_remaining = fuel_remaining
        for key, value in kwargs.items():
            setattr(self, key, value)

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

1 Answer

Brandon Spangler
Brandon Spangler
8,756 Points
Brandon Spangler
Brandon Spangler
8,756 Points

You're going to want something like this:

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

You only want your function to take the length argument and the self argument. Your function doesn't return anything, it is supposed to modify the attributes of the object calling it.