Game:)

# Common game entity classes

class World:
    locations = [];

    def doTick(self):
        for location in locations:
            location.doTick()


class Location:
    persons = [];

    def __init__(self, name):
        self.name = name

    def __repr__(self):
        return self.name

    def doTick(self):
        for person in persons:
            person.doTick()


class Item:
    weight      = None
    price       = None
    defence     = 0
    attack      = 0


class Kick:
    def __init__(self, source, amount):
        self.source = source
        self.amount = amount


class Weapon:
    attack = None
    defense = None

    def __init__(self, attack, defense):
        self.attack = attack
        self.defense = defense


class Armor:
    attack = None
    defense = None

    def __init__(self, attack, defense):
        self.attack = attack
        self.defense = defense


class Person:
    health      = 0
    defense     = 0
    attack      = 0
    maxWeight   = 0
    level       = 1

    target      = None
    location    = None

    money       = 0
    inventory   = []

    weapon      = None
    armor       = None

    def __init__(self, name):
        self.name = name

    def __repr__(self):
        return self.name + (" [hp %d, attack %d, defense %d]" % (self.health, self.calcAttack(), self.calcDefense()))

    def doTick(self):
        pass

    def doTarget(self, other):
        self.target = other
        return "Персонаж %s взял на мушку персонажа %s" % (self, other)

    def doSay(self):
        pass

    def doAttack(self):
        self.target.doHurt(Kick(self, self.calcAttack())),

    def doUse(self, itemIndex : int):
        pass

    def doHurt(self, kick : Kick):
        damage = int(kick.amount / self.calcDefense())
        self.health -= min(damage, self.health)
        print("Персонаж %s нанес персонажу %s %d очк. урона" % (kick.source, self, damage))

        if self.health == 0:
            print("Персонаж %s умер" % (self))

    def addItem(self, item):
        self.inventory.push(item)

    def wearArmor(self, armor : Armor):
        self.armor = armor

    def equipWeapon(self, weapon : Weapon):
        self.weapon = weapon

    def calcDefense(self):
        calc = self.defense
        for item in self.inventory:
            calc = calc + item.defense
        if self.armor:
            calc = calc + self.armor.defense
        return calc + calc * (self.level * 0.2)

    def calcAttack(self):
        calc = self.attack
        for item in self.inventory:
            calc = calc + item.attack
        if self.weapon:
            calc = calc + self.weapon.attack
        return calc + calc * (self.level * 0.2)


# Weapons and Armor
class IronStick(Weapon):
    def __init__(self):
        Weapon.__init__(self, 10, 1)


class LightArmor(Armor):
    def __init__(self):
        Armor.__init__(self, 0, 7)


# Hero
class Hero(Person):
    def __init__(self):
        Person.__init__(self, "Игрок")
        self.health = 100
        self.defense = 0
        self.attack = 1
        self.maxWeight = 300
        self.level = 1


class Enemy(Person):
    def __init__(self, name):
        Person.__init__(self, name)
        self.health = 100
        self.defense = 4
        self.attack = 7
        self.level = 2


me = Hero()
me.wearArmor(LightArmor())
me.equipWeapon(IronStick())

enemy = Enemy("Сраное говно")

print(me)
print(enemy)

me.doTarget(enemy)
enemy.doTarget(me)

while (me.health > 0):
    me.doAttack()
    enemy.doAttack()