The error mentioned in the title is this.
File "<stdin>", line 1 SyntaxError: can't use starred expression here
According to the Language Reference
it's not really a starred expression. In the context of defining the notion of starred expressiont, it looks like it's called a starred item. I think the message is confusing and should be fixed. I don't know if "starred item" is the right name to be used there, but it's at least documented (in the Reference).
Best regards, Takuo