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Solution #668

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Solution #668

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047b009
Solution
weuis Sep 14, 2023
956287b
Solution with correct type annotation
weuis Sep 14, 2023
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36 changes: 35 additions & 1 deletion app/main.py
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Original file line number Diff line number Diff line change
@@ -1 +1,35 @@
# write your code here
class Animal:
alive = []

def __init__(
self,
name: str,
health: int | None = 100,
hidden: bool | None = False
) -> None:
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type annotations is incorrect because it suggests that these parameters can be assigned the value None, which contradicts their intended use of having default values 100 and False, respectively

self.name = name
self.health = health
self.hidden = hidden

Animal.alive.append(self)

def __repr__(self) -> str:
return (
f"{{Name: {self.name}, "
f"Health: {self.health}, "
f"Hidden: {self.hidden}}}"
)


class Herbivore(Animal):
def hide(self) -> None:
self.hidden = not self.hidden


class Carnivore(Animal):
@staticmethod
def bite(beast: Herbivore) -> None:
if not beast.hidden and isinstance(beast, Herbivore):
beast.health = beast.health - 50
if beast.health <= 0:
Animal.alive.remove(beast)
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