28、以下程序的输出结果是: a = 30 b = 1 if a >=10: a = 20 elif a>=20: a = 30 elif a>=30: b = a else: b = 0 print('a={}, b={}'.format(a,b))

A.a=30, b=1 B.a=30, b=30 C.a=20, b=20 D.a=20, b=1

时间:2024-04-28 14:21:17

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