instance and class in python

 class student:

    no_of_record = 9

    pass

# instance of the class 

vishal = student()

lakhan = student()

vishal.name ='vishal'

vishal.age = 19

vishal.salary = 34444

print(vishal)

lakhan.name ='Lakhan'

lakhan.age = 19

lakhan.salary = 34444

print(lakhan.name)

# You not change the class properties using instance variable 

lakhan.no_of_record = 10

print(lakhan.no_of_record)

print(student.no_of_record)