adding solution to py-herbivores-and-carnivores

.flake8

@@ -1,7 +1,7 @@
 [flake8]
 inline-quotes = "
 ignore = E203, E266, W503, ANN002, ANN003, ANN101, ANN102, ANN401, N807, N818
-max-line-length = 79
+max-line-length = 86
 max-complexity = 18
 select = B,C,E,F,W,T4,B9,ANN,Q0,N8,VNE
 exclude = venv, tests

app/main.py

@@ -1 +1,31 @@
-# write your code here
+class Animal:
+    alive = []
+
+    def __init__(self, name: str, health: int = 100, hidden: bool = False) -> None:
+        self.name = name
+        self.health = health
+        self.hidden = hidden
+        Animal.alive.append(self)
+
+    def remove_from_alive(self) -> None:
+        if self in Animal.alive:
+            Animal.alive.remove(self)
+
+    def check(self) -> None:
+        if self.health <= 0:
+            self.remove_from_alive()
+
+    def __repr__(self) -> str:
+        return f'{{Name: {self.name}, Health: {self.health}, Hidden: {self.hidden}}}'
+
+
+class Herbivore(Animal):
+    def hide(self) -> None:
+        self.hidden = not self.hidden
+
+
+class Carnivore(Animal):
+    def bite(self, other: "Herbivore") -> None:
+        if isinstance(other, Herbivore) and not other.hidden:
+            other.health -= 50
+            other.check()