下列程序返回的结果是a = "first"def second(a): a = "second"def third(): global a a = "third"third()print(a, end=',')second("fourth")print(a)? third, third;|second,third;|second,first|first,second;
举一反三
- MelbourneisthelargestcityinAustralia. A: first B: second C: third D: fourth
- U.S.isthe_____countryinareaandthe_____oneinpopulation. A: four;third B: second;third C: third;third D: third;second
- Thesyllableisthestressedsyllableintheword“police”. A: first B: second C: third D: fourth
- If the suit is buttoned, where should be the stickpin?? Between the first button and the third button of the shirt.|Between the second button and the third button of the shirt.|Between the first button and the second button of the shirt.|Between the second button and the fourth button of the shirt.
- Father’s Day is on the _______Sunday of June while Mother’s Day is on the _______ Sunday of May. A: third; third B: second; second C: third; second D: second; third