'Solution'

app/main.py

@@ -1 +1,16 @@
-# write your code here
+def calculate_team_total_rating(team: list) -> int:
+    return sum(user.get_rating() for user in team)
+
+
+def elves_concert(elves: list) -> list:
+    result1 = []
+    for user_elf in elves:
+        result1.append(user_elf.play_elf_song())
+    return result1
+
+
+def feast_of_the_dwarves(dwarves: list) -> list:
+    result = []
+    for user_dwarf in dwarves:
+        result.append(user_dwarf.eat_favourite_dish())
+    return result

app/players/dwarves/dwarf.py

@@ -0,0 +1,12 @@
+from abc import ABC
+from app.players.player import Player
+
+
+class Dwarf(Player, ABC):
+
+    def __init__(self, nickname: str, favourite_dish: str) -> None:
+        super().__init__(nickname)
+        self._favourite_dish = favourite_dish
+
+    def eat_favourite_dish(self) -> None:
+        print(f"{self.nickname} is eating {self._favourite_dish}")

app/players/dwarves/dwarf_blacksmith.py

@@ -0,0 +1,21 @@
+from app.players.dwarves.dwarf import Dwarf
+
+
+class DwarfBlacksmith(Dwarf):
+
+    def __init__(
+            self,
+            nickname: str,
+            favourite_dish: str,
+            skill_level: int
+    ) -> None:
+        super().__init__(nickname, favourite_dish)
+        self._skill_level = skill_level
+
+    def player_info(self) -> str:
+        return (f"Dwarf blacksmith {self.nickname} "
+                f"with skill of the {self._skill_level} level")
+
+    def get_rating(self) -> int:
+        result = self._skill_level
+        return result

app/players/dwarves/dwarf_warrior.py

@@ -0,0 +1,22 @@
+from app.players.dwarves.dwarf import Dwarf
+
+
+class DwarfWarrior(Dwarf):
+
+    def __init__(
+            self,
+            nickname: str,
+            favourite_dish: str,
+            hummer_level: int
+    ) -> None:
+        super().__init__(nickname, favourite_dish)
+        self._hummer_level = hummer_level
+
+    def player_info(self) -> str:
+        return (f"Dwarf warrior {self.nickname}. "
+                f"{self.nickname} has a hummer of the "
+                f"{self._hummer_level} level")
+
+    def get_rating(self) -> int:
+        result = self._hummer_level + 4
+        return result

app/players/elves/druid.py

@@ -0,0 +1,22 @@
+from app.players.elves.elf import Elf
+
+
+class Druid(Elf):
+
+    def __init__(
+            self,
+            nickname: str,
+            musical_instrument: str,
+            favourite_spell: str
+    ) -> None:
+        super().__init__(nickname, musical_instrument)
+        self._favourite_spell = favourite_spell
+
+    def player_info(self) -> str:
+        return (f"Druid {self.nickname}. "
+                f"{self.nickname} has a favourite "
+                f"spell: {self._favourite_spell}")
+
+    def get_rating(self) -> int:
+        result = len(self._favourite_spell)
+        return result

app/players/elves/elf.py

@@ -0,0 +1,13 @@
+from abc import ABC
+from app.players.player import Player
+
+
+class Elf(Player, ABC):
+
+    def __init__(self, nickname: str, musical_instrument: str) -> None:
+        super().__init__(nickname)
+        self._musical_instrument = musical_instrument
+
+    def play_elf_song(self) -> None:
+        print(f"{self.nickname} is playing a "
+              f"song on the {self._musical_instrument}")

app/players/elves/elf_ranger.py

@@ -0,0 +1,22 @@
+from app.players.elves.elf import Elf
+
+
+class ElfRanger(Elf):
+
+    def __init__(
+            self,
+            nickname: str,
+            musical_instrument: str,
+            bow_level: int
+    ) -> None:
+        super().__init__(nickname, musical_instrument)
+        self._bow_level = bow_level
+
+    def player_info(self) -> str:
+        return (f"Elf ranger {self.nickname}. "
+                f"{self.nickname} has bow of the "
+                f"{self._bow_level} level")
+
+    def get_rating(self) -> int:
+        result = 3 * self._bow_level
+        return result

app/players/player.py

@@ -0,0 +1,15 @@
+from abc import ABC, abstractmethod
+
+
+class Player(ABC):
+
+    def __init__(self, nickname: str) -> None:
+        self.nickname = nickname
+
+    @abstractmethod
+    def get_rating(self) -> None:
+        pass
+
+    @abstractmethod
+    def player_info(self) -> None:
+        pass