Same Name, Different Value and Variable is defined

[ikotler]

>>> [x=1, x=1] -> x -> print
<MainProcess:Thread-2> : 1
<MainProcess:Thread-3> : 1
[1, 1]
>>> x
1
>>> [x=1, x=2] -> x -> print
<MainProcess:Thread-6> : 1
<MainProcess:Thread-7> : 2
[1, 2]
>>> x
1
>>> 

AS OPPOSE TO:

>>> [x=1, x=2] -> x -> print
<MainProcess:Thread-2> : 1
<MainProcess:Thread-3> : 2
[1, 2]
>>> x
Exception in thread Thread-4:
Traceback (most recent call last):
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 552, in __bootstrap_inner
    self.run()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 505, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/Library/Python/2.7/site-packages/Pythonect-0.4.2-py2.7.egg/pythonect/internal/eval.py", line 518, in __run
    object_or_objects = __eval_current_atom(atom, locals_, globals_)
  File "/Library/Python/2.7/site-packages/Pythonect-0.4.2-py2.7.egg/pythonect/internal/eval.py", line 133, in __eval_current_atom
    raise e1
ImportError: No module named x

False
>>>