whatever.py

from collections import Counter

class Player:
    def __init__(self, name, **kwargs):
        self.name = name
        self.stats = kwargs.copy()
        self.inventory = Counter()
        
    def check_status(self):
        pass
        
    def pickup_item(self, what):
        self.inventory[what] += 1
        self.check_status()
        
    def use_item(self, what):
        available = self.inventory[what]
        if available < 1:
            return {}
        what.apply_to(self)
        self.inventory.subtract([what])
        self.check_status()
        
        
class InventoryItem:
    def __init__(self, main, sub=None, description='', **kwargs):
        self.main = main
        self.sub = sub
        self.description = description
        self.stats = kwargs.copy()
        
    def __repr__(self):
        return f'{self.main} [{self.sub}]'
    
    def __hash__(self):
        return hash((self.main, self.sub))
    
    def apply_to(self, target):
        pass
    
    
class SimpleHealthPotion(InventoryItem):
    def apply_to(self, target):
        target.stats['health'] += self.sub
        

class SuperHealthPotion(InventoryItem):
    def apply_to(self, target):
        target.stats['health'] *= 10
        
        
player = Player('cabbage', health=1, skill=3, luck=5)
health_potion = SimpleHealthPotion('Heal', 5)
player.pickup_item(health_potion)
player.use_item(health_potion)