How to remove the error while displaying the items in Department class? Please check the code bit attached.

Question

When I call it directly, it says that the class doesn't have the attributes but when I call the functions that display the attributes, it works.
https://code.sololearn.com/c3Lj0B5mVd6H/?ref=app
Also is there a way to display the 3rd parameter in Department class as it is from the dictionary myInstances?

Answer 1

you have not attribute cla. you have _cls, so write getter property cls and everything will be ok

Answer 2

@property
def cls(self):
return self._cls

Answer 3

Thank you :)