I forgot one other comment...
Riobard Zhan wrote:
While I would not support the removal of colons, I would support a better error message when one is missing.
for x in 1,2,3 File "<stdin>", line 1 for x in 1,2,3 ^ SyntaxError: invalid syntax
Perhaps this should say why the syntax is missing?
SyntaxError: linebreak in statement or missing colon