Computer scienceProgramming languagesPythonObject-oriented programmingClasses

Class vs instance

Out of this world

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Choose all correct statements regarding the code below.

class Alien:
    count = 0
    places = []    

    def __init__(self, planet, species):
        self.planet = planet
        self.species = species


mart = Alien("Mars", "martian")
mart.places.append("Mars")
mart.count += 1

dalek = Alien("Skaro", "dalek")
dalek.places.append("Skaro")
dalek.count += 1

Alien.count += 2

Select one or more options from the list

After the code is executed, Alien.places is empty

Printing Alien.planet will cause an error

After the code is executed, dalek.count = 3

mart.places == dalek.places is True at every point of the code (where both objects exist)

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