Eric V. Smith added the comment:
You're probably doing something like:
parent.i = 3
instead of:
parent.child.field = 0.6
In the first one, you're setting an instance attribute on parent, on the
second, you're modifying an attribute of the class attribute.
In any event, there's no bug
jeffersonqin <1247006...@qq.com> added the comment:
Thanks! This fully answers my question. Sorry, but I've got another question
regards to your answer. It is that when I deal with other fields in class
Parent similar to child, with the only difference is that their types are
builtin types
Eric V. Smith added the comment:
child is not an attribute of a Parent instance, but rather of the Parent class.
So it's not going to be saved when you dump "parent", which is an instance of
Parent.
I'm not sure what you're doing when you create a Parent.__init__ method, but
presumably
New submission from jeffersonqin <1247006...@qq.com>:
For the following code piece:
```
import pickle
class Child:
def __init__(self, field):
self.field = field
class Parent:
child = Child(0.5)
if __name__ == '__main__':
i = input()
if i ==
