static methods in python

1#To create a static method, just add "@staticmethod" before defining it.
2
3>>>class Calculator:
4    # create static method
5    @staticmethod
6    def multiplyNums(x, y):
7        return x * y
8
9>>>print('Product:', Calculator.multiplyNums(15, 110))
10Product:1650

1class Calculator:
2
3    # create addNumbers static method
4    @staticmethod
5    def addNumbers(x, y):
6        return x + y
7
8print('Product:', Calculator.addNumbers(15, 110))
9

1import random
2
3class Example:
4  	# A static method doesn't take the self argument and
5    # cannot access class members.
6	@staticmethod
7    def choose(l: list) -> int:
8    	return random.choice(l)
9    
10    def __init__(self, l: list):
11      self.number = self.choose(l)

1# python static method in simple explanation
2class cls:
3    @staticmethod
4    def func():
5        pass
6
7instance1 = cls()
8instance2 = cls()
9instance3 = cls()
10
11print(id(cls.func), cls.func)
12print(id(instance1.func), instance1.func)
13print(id(instance2.func), instance2.func)
14print(id(instance3.func), instance3.func)
15# they are same thing

1class Calculator:
2
3    def addNumbers(x, y):
4        return x + y
5
6# create addNumbers static method
7Calculator.addNumbers = staticmethod(Calculator.addNumbers)
8
9print('Product:', Calculator.addNumbers(15, 110))
10