25_class_method.py

class student():
    institution = "IIPS"
    def _init_(self,a,b):
        self.a = a
        self.b = b
    def show(self):
        print("___________")
        print("Marks in python:",self.a)
        print("Marks in python lab:",self.b)
        print("___________")

    @classmethod
    def info(self):
        print("Class belongs to",self.institution)
    @staticmethod
    def about():
        print("This class hold the data of marks obtained by the student in python and it's lab in IIPS.")

# instance object
s1 = student(23,22)
s2 = student(74,77)
s3 = student(45,52)

s1.show()
s2.show()
s3.show()

student.info()
student.about()