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Python staticmethod() Function

Python @staticmethod

Last Updated : 21 Nov, 2019

There can be some functionality that relates to the class, but does not require any instance(s) to do some work, static methods can be used in such cases. A static method is a method which is bound to the class and not the object of the class. It can’t access or modify class state. It is present in a class because it makes sense for the method to be present in class. A static method does not receive an implicit first argument.

Syntax:

class C(object):
    @staticmethod
    def fun(arg1, arg2, ...):
        ...

Returns: a static method for function fun.

When function decorated with @staticmethod is called, we don’t pass an instance of the class to it as it is normally done with methods. It means that the function is put inside the class but it cannot access the instance of that class.

Example #1:

# Python program to  
# demonstrate static methods 
  
class Maths(): 
      
    @staticmethod
    def addNum(num1, num2): 
        return num1 + num2 
          
# Driver's code 
if __name__ == "__main__": 
      
    # Calling method of class 
    # without creating instance 
    res = Maths.addNum(1, 2) 
    print("The result is", res) 

Output:

The result is 3

Example #2:

# Python program to 
# demonstrate static methods 
  
class Person:  
    def __init__(self, name, age):  
        self.name = name  
        self.age = age  
        
    # a static method to check if a Person is adult or not.  
    @staticmethod
    def isAdult(age):  
        return age > 18
          
# Driver's code 
if __name__ == "__main__": 
    res = Person.isAdult(12) 
    print('Is person adult:', res) 
      
    res = Person.isAdult(22) 
    print('\nIs person adult:', res) 

Output:

Is person adult: False

Is person adult: True

Python staticmethod() Function

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