Why am I getting Name Error when importing a class?

Question

I am just starting to learn Python, but I have already run into some errors. I have made a file called pythontest.py with the following contents:

Answer 1

You're supposed to import the names, i.e., either

 import pythontest
 f= pythontest.Fridge()

or,

from pythontest import *
f = Fridge()