From e8508891058a9ffabb06e5eed5813a120492a371 Mon Sep 17 00:00:00 2001
From: Ruslan Misko <miskoruslan6@gmail.com>
Date: Mon, 9 Oct 2023 14:36:13 +0300
Subject: [PATCH 1/4] Solution

---
 app/main.py | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/app/main.py b/app/main.py
index fa56336e..2642ab8e 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1 +1,30 @@
-# 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)
+
+    @staticmethod
+    def check_alive_animals() -> None:
+        Animal.alive = [animal for animal in Animal.alive if animal.health > 0]
+
+    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, herbivore: Herbivore) -> None:
+        if isinstance(herbivore, Herbivore) is False:
+            return
+        if herbivore.hidden is True or herbivore.health < 1:
+            return
+        herbivore.health -= 50
+        self.check_alive_animals()

From 9bcc8073b5669abb79857d109c72f961b587ca5f Mon Sep 17 00:00:00 2001
From: Ruslan Misko <miskoruslan6@gmail.com>
Date: Mon, 9 Oct 2023 14:39:19 +0300
Subject: [PATCH 2/4] Solution

---
 app/main.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/main.py b/app/main.py
index 2642ab8e..b326463e 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,7 +1,10 @@
 class Animal:
     alive = []
 
-    def __init__(self, name: str, health: int = 100, hidden: bool = False) -> None:
+    def __init__(self,
+                 name: str,
+                 health: int = 100,
+                 hidden: bool = False) -> None:
         self.name = name
         self.health = health
         self.hidden = hidden
@@ -12,7 +15,9 @@ def check_alive_animals() -> None:
         Animal.alive = [animal for animal in Animal.alive if animal.health > 0]
 
     def __repr__(self) -> str:
-        return f"{{Name: {self.name}, Health: {self.health}, Hidden: {self.hidden}}}"
+        return (f"{{Name: {self.name},"
+                f"Health: {self.health},"
+                f"Hidden: {self.hidden}}}")
 
 
 class Herbivore(Animal):

From 72a62406543816f91c6d355374ed0a346b17a310 Mon Sep 17 00:00:00 2001
From: Ruslan Misko <miskoruslan6@gmail.com>
Date: Mon, 9 Oct 2023 14:41:16 +0300
Subject: [PATCH 3/4] last Solution

---
 app/main.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/main.py b/app/main.py
index b326463e..2776a325 100644
--- a/app/main.py
+++ b/app/main.py
@@ -15,8 +15,8 @@ def check_alive_animals() -> None:
         Animal.alive = [animal for animal in Animal.alive if animal.health > 0]
 
     def __repr__(self) -> str:
-        return (f"{{Name: {self.name},"
-                f"Health: {self.health},"
+        return (f"{{Name: {self.name}, "
+                f"Health: {self.health}, "
                 f"Hidden: {self.hidden}}}")
 
 

From ed32feba99abe23a4d2e1b408ddbf60535fad988 Mon Sep 17 00:00:00 2001
From: Ruslan Misko <miskoruslan6@gmail.com>
Date: Tue, 10 Oct 2023 22:42:12 +0300
Subject: [PATCH 4/4] Solution fix

---
 app/main.py | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/app/main.py b/app/main.py
index 2776a325..0fbfbd56 100644
--- a/app/main.py
+++ b/app/main.py
@@ -26,10 +26,8 @@ def hide(self) -> None:
 
 
 class Carnivore(Animal):
-    def bite(self, herbivore: Herbivore) -> None:
-        if isinstance(herbivore, Herbivore) is False:
-            return
-        if herbivore.hidden is True or herbivore.health < 1:
-            return
-        herbivore.health -= 50
-        self.check_alive_animals()
+    @staticmethod
+    def bite(herbivore: Herbivore) -> None:
+        if isinstance(herbivore, Herbivore) and herbivore.hidden is False:
+            herbivore.health -= 50
+            Animal.check_alive_animals()