Possible constant assignment operators ":=" and "::=" for Python

[Edward Elliott]

Michele Simionato wrote:
> Python solution is to rely on the intelligence of programmers. If they
> see an all caps name and then they try to change it without knowing what
> they are doing, then they are stupid. If you have stupid programmers there 
> is no way the language can stop them for making disasters. 

Which doesn't apply here, one of the OP's examples further up this thread
doesn't modify any ALL CAPS vars directly:

>>> A = []  # let's declare a "constant" here
>>> b = A   # and let's assign the constant here
>>> b.append('1') # OOPS!