[Python-ideas] Should Python have user-defined constants?

[Greg Ewing]

Steven D'Aprano wrote:
>>for i in range(0, 100):
>>   const foo = f(i)
>>   const bar = g(i, foo)
>>   do_something_with(bar)
> 
> You are binding some value f(0) to the 
> constant name "foo" on the first loop, then on the second loop you try 
> to rebind a new value to the same name "foo".

It could be made to kind of work if you were allowed to
re-execute the same let statement, but not assign to the
name with another statement in the same function.

-- 
Greg