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Python Object-Oriented Python Instant Objects Master Class

Posted by Hemin mohammed
.a{fill-rule:evenodd;}techdegree
Hemin mohammed
Python Development Techdegree Student 1,424 Points

i can't figure out what's wrong with my answer

class RaceCar:

def __init__(self, laps, color, fuel_remaining, **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):
    self.fuel_remaining-=length*0.125
    self.laps+=1
racecar.py 
class RaceCar:

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

1 Answer

Zimri Leijen
Zimri Leijen
11,835 Points
Zimri Leijen
Zimri Leijen
11,835 Points

When you initialise the racecar, the laps should always start at 0.

For this reason, you don't need to have it as an argument to the constructor, as the constructor will always need to set it to 0.

Hemin mohammed
.a{fill-rule:evenodd;}techdegree
Hemin mohammed
Python Development Techdegree Student 1,424 Points

even i did it that way but it still does not work: if you can just tell me or send the code with the answer to get the point :

class RaceCar:

def __init__(self,laps=0 ,color, fuel_remaining, **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):
    self.fuel_remaining-=length*0.125
    self.laps+=1
Zimri Leijen
Zimri Leijen
11,835 Points 
def __init__(self,color, fuel_remaining, **kwargs):  # note you don't need to pass them as arguments
    self.laps=0 # note you set them to 0 here.
    self.color=color
    self.fuel_remaining=fuel_remaining

    for key,value in kwargs.items():
        setattr(self, key, value)

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