zip()함수를 사용해서 여러 시퀀스를 병렬로 수행
>>> days = ["mon", "tuesday", "wedesday"]
>>> drinks = ["coffee", "tea", "bear"]
>>>
>>> for day, drink in zip(days, drinks):
... print(day + " drink" + drink)
...
mon drinkcoffee
tuesday drinktea
wedesday drinkbear
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