untitled.txt

>>>True,False=False,True
>>>False
True
>>>1==2
False
>>>(1==2)==True
True

>>> # This shows how setting True/False is nothing more than a simple (yet scary!)
>>> # variable assignment in the local scope:
>>> True, False = 1, 2
>>> type(True)
<type 'int'>

>>> # Deleting the local variable reveals the built-in symbol True
>>> del True
>>> type(True)
<type 'bool'>

>>> # You can't delete the built-in True
>>> del True
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'True' is not defined

>>> # In contrast, for other literals, this raises a SyntaxError
>>> 4 = 1
  File "<stdin>", line 1
SyntaxError: can't assign to literal

>>> None = 1
  File "<stdin>", line 1
SyntaxError: assignment to None