Декоратор staticmethod

class MathHelper:
    @staticmethod
    def add(a, b):
        return a + b
    
    @staticmethod
    def is_even(number):
        return number % 2 == 0

result = MathHelper.add(5, 3)
print(result)

check = MathHelper.is_even(10)
print(check)

helper = MathHelper()
result2 = helper.add(2, 4)
print(result2)

8
True
6

class Calculator:
    brand = "Python Calc"
    
    def __init__(self, owner):
        self.owner = owner
    
    @staticmethod
    def multiply(x, y):
        # Не может получить доступ к self.owner или Calculator.brand
        return x * y