Python Class Variables Question
- by zyq524
I have some doubt about python's class variables. As my understanding, if I define a class variable, which is declared outside the init() function, this variable will create only once as a static variable in C++.
This seems right for some python types, for instance, dict and list type, but for those base type, e.g. int,float, is not the same.
For example:
class A:
dict1={}
list1=list()
int1=3
def add_stuff(self, k, v):
self.dict1[k]=v
self.list1.append(k)
self.int1=k
def print_stuff(self):
print self.dict1,self.list1,self.int1
a1 = A()
a1.add_stuff(1, 2)
a1.print_stuff()
a2=A()
a2.print_stuff()
The output is:
{1: 2} [1] 1
{1: 2} [1] 3
I understand the results of dict1 and list1, but why does int1 behavior different?
