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Python Object-Oriented Python Instant Objects Master Class

Kyle Salisbury
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Kyle Salisbury
Full Stack JavaScript Techdegree Student 16,363 Points
Posted by Kyle Salisbury
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Kyle Salisbury
Full Stack JavaScript Techdegree Student 16,363 Points

Can someone remind me why the for loop it's kwargs.items() and not something like kwargs().

I just need to understand this a little better. Is kwargs a class from something in python and we are grabbing the items method. Or are we making up kwargs.items() on the spot? I'm starting to understand OOP but I'm not 100% there yet.

racecar.py 
class RaceCar:
    def __init__(self,color,fuel_remaining, **kwargs):
        self.color=color
        self.fuel_remaining=fuel_remaining

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

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,441 Points
Chris Freeman
Chris Freeman
Treehouse Moderator 68,441 Points

Good question! Using the double asterisk in **kwargs will place all keyword arguments in to a dict name kwargs. As a dict it has the methods .keys(), .values(), and .items() available to use in an iterable context. Since it is not a class or function, using kwargs() does not make syntactical sense.

Post back if you have more questions!