We have the following. >>> 12 = True
SyntaxError: can't assign to literal
>>> True = False
SyntaxError: can't assign to keyword
>>> ... = False
SyntaxError: can't assign to Ellipsis
We also have (works better in monospaced font)
>>> d[] = True
d[] = True
^
SyntaxError: invalid syntax
Beginners might appreciate having instead as error messages:
SyntaxError: can't assign to literal: 12
SyntaxError: can't assign to keyword: True
SyntaxError: can't assign to literal: ...
--
Jonathan