In [1]:

    

class System:
    pass


    

In [2]:

    

class Status:
    
    def __init__(self):
        self._attributes = 0
        self._skills = 0


    

In [3]:

    

class Person:
    
    def __init__(self, name, age):
        self._name = name
        self._age = age


    

In [4]:

    

class Attribute:
    
    def __init__(self, name, description, value):
        self._name = name
        self._description = description
        self._value = value


    

In [5]:

    

class Skill:
    
    def __init__(self, name, description, level):
        self._name = name
        self._description = description
        self._level = level


    

In [ ]:

    

class Shop:
    
    def __init__(self):