# No classes
player1_name = "Player 1"
player1_hp = 10
player1_attack = 1
player1_defense = 1

player2_name = "Player 2"
player2_hp = 10
player2_attack = 1
player2_defense = 1

# Player 1 attacks Player 2
player2_hp = player2_hp - player1_attack + player2_defense

# Player 2 attacks Player 1
player1_hp = player1_hp - player2_attack + player1_defense

# Now with classes
class Player:
    def __init__(self, name, hp, attack, defense):
        self.name = name
        self.hp = hp
        self.attack = attack
        self.defense = defense

    def attack(self, target):
        target.hp = target.hp - self.attack + target.defense

player1 = Player("Player 1", 10, 1, 1)
player2 = Player("Player 2", 10, 1, 1)

# Player 1 attacks Player 2
player1.attack(player2)

# Player 2 attacks Player 1
player2.attack(player1)