Hi,
why is this possible -
>>>b = [1,2,3]
>>>b[2] = b
>>>b
[1,2,[...]]
>>>b[2]
[1,2,[...]]
>>>b[2][2][2][2][2]
[1,2,[...]]

but this is not -
>>>x = [1,2,x]
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
NameError: name 'x' is not defined

thanks
r_a_h_o_o_l

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