python staticmethod

                                    class Float:
    def __init__(self, amount):
        self.amount = amount

    def __repr__(self):
        return f'<Float {self.amount:.3f}>'

    @classmethod
    def from_sum(cls, value_1, value_2):
        return cls(value_1 + value_2)


class Dollar(Float):
    def __init__(self, amount):
        super().__init__(amount)
        self.symbol = '€'

    def __repr__(self):
        return f'<Euro {self.symbol}{self.amount:.2f}>'


print(Dollar.from_sum(1.34653, 2.49573)) 

                                    # python static method in simple explanation
class cls:
    @staticmethod
    def func():
        pass

instance1 = cls()
instance2 = cls()
instance3 = cls()

print(id(cls.func), cls.func)
print(id(instance1.func), instance1.func)
print(id(instance2.func), instance2.func)
print(id(instance3.func), instance3.func)
# they are same thing

                                    import random

class Example:
  	# A static method doesn't take the self argument and
    # cannot access class members.
	@staticmethod
    def choose(l: list) -> int:
    	return random.choice(l)
    
    def __init__(self, l: list):
      self.number = self.choose(l)

                                    class point:
	def __init__(self, x, y):
    	self.x = x
        self.y = y
        
    @classmethod
    def zero(cls):
    	return cls(0, 0)
        
    def print(self):
    	print(f"x: {self.x}, y: {self.y}")
        
p1 = point(1, 2)
p2 = point().zero()
print(p1.print())
print(p2.print())

                                    class Calculator:

    # create addNumbers static method
    @staticmethod
    def addNumbers(x, y):
        return x + y

print('Product:', Calculator.addNumbers(15, 110))