class Person(object):
    count=0
    name1='vs'
    def __init__(self,a,b,c):
        self.name=a
        self.sex=b
        self.classroom=c
        Person.count+=1


p1 = Person('Bob', 'boy',423)
p2 = Person('Boq', 'girl',403)
print(p1.classroom)
print(Person.count)
p1.name1='afa'
#Person.name1='afa'
print(p1.name1)
print(p2.name1)
print(Person.name1)

