In Python `...` is referred to as `Ellipsis` and cannot be assigned to.
Yet, one can assign any value to the name `Ellipsis`.
Consider the following:
```
>>> ...
Ellipsis
>>> ... == Ellipsis
True
>>> Ellipsis
Ellipsis
>>> Ellipsis = 3
>>> Ellipsis
3
>>> ... = 4
File "<stdin>", line 1
... = 4
^
SyntaxError: cannot assign to Ellipsis
>>> # But I just did assign a new value to the name Ellipsis above.
>>> Ellipsis
3
>>> ...
Ellipsis
>>> ... == Ellipsis
False
```
For consistency, `Ellipsis` (the name) should **always** refer to the same
object that `...` refers to, so that both could not be assigned a new value.
André Roberge
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