Microsoft Windows [Version 10.0.18362.535]
(c) 2019 Microsoft Corporation. All rights reserved.

C:\Users\tomer>python
Python 2.7.2 (default, Jun 12 2011, 14:24:46) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> class Character():
...   def __init__(self, name):
...      self.name = name
...      self.affection = 1
...
... sam = Character("Sam")
  File "<stdin>", line 6
    sam = Character("Sam")
      ^
SyntaxError: invalid syntax
>>> lulu = Character("Lulu")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'Character' is not defined
>>>
... npc_dictionary = {"Sam": sam, "Lulu": lulu}
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
NameError: name 'sam' is not defined
>>>
... print(npc_dictionary["Sam"].affection) # prints 1
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
NameError: name 'npc_dictionary' is not defined
>>> npc_dictionary["Sam"].affection = 10
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'npc_dictionary' is not defined
>>>
... print(npc_dictionary["Sam"].affection) # prints 10