class A(object):
    def __init__(self,value):
        self.value=value

class B(object):
    def __init__(self,value):
        self.value=value

a=A(2)
b=B(3)
c=5
if(type(c)==int):
    print("c type is a int!")
if(type(a)==class):
    print("a type is a class!")

if(type(a)==A):
    print("a is an A")