Earlier quoted context omitted.
That is not necessarily a sign of a good language, though. ADD 1 TO COBOL GIVING COBOL is also readable, and yet (thankfully!) we've mostly abandoned COBOL. And no, I'm not saying Python is bad, or like COBOL - just that readability and quality of a language are not necessarily related.
I don't know that I agree, I really am not sure what "GIVING COBOL" means.
ADD 1 TO X GIVING Y is COBOL's way of saying y=x+1 ADD 1 TO COBOL GIVING COBOL is COBOL=COBOL+1. Or COBOL++ :)