def tokenize(text: str) -> Iterator[str]:
    'return iterable of uppercased words'
    for match in RE_WORD.finditer(text):
        (yield match.group().upper())
return iterable of uppercased words
def tokenize(text: str) -> Iterator[str]:
    
    for match in RE_WORD.finditer(text):
        (yield match.group().upper())