class Animal:
    """En klasse for konceptet dyr"""
    Alive = "Yes"

    def __init__(self,art,race,gender):
        self.species = species
        self.race = race
        self.gender = gender

    def speak(self):
        if self.species == "dog":
            print("Bark")

Fido = Animal("dog","pug","female")
print(Fido.Alive)
print(Fido.species)

____

ERROR:
NameError                                 Traceback (most recent call last)
<ipython-input-32-f86a4644e3f6> in <module>
     12             print("Bark")
     13
---> 14 Fido = Animal("dog","pug","female")
     15 print(Fido.Alive)
     16 print(Fido.species)

<ipython-input-32-f86a4644e3f6> in __init__(self, art, race, gender)
      4
      5     def __init__(self,art,race,gender):
----> 6         self.species = species
      7         self.race = race
      8         self.gender = gender

NameError: name 'species' is not defined