下面程序的输出结果是( )。L=[('b', 3), ('c', 1), ('d', 2), ('a', 5)]L.sort()print(L)
A: [('b', 3), ('c', 1), ('d', 2), ('a', 5)]
B: [('c', 1), ('d', 2), ('b', 3), ('a', 5)]
C: [('a', 5), ('b', 3), ('c', 1), ('d', 2)]
D: {('a', 5), ('b', 3), ('c', 1), ('d', 2)}
A: [('b', 3), ('c', 1), ('d', 2), ('a', 5)]
B: [('c', 1), ('d', 2), ('b', 3), ('a', 5)]
C: [('a', 5), ('b', 3), ('c', 1), ('d', 2)]
D: {('a', 5), ('b', 3), ('c', 1), ('d', 2)}
举一反三
- 下面程序的输出结果是（ ）。L=[('b', 3), ('c', 1), ('d', 2), ('a', 5)]L.sort()print(L) A: {('a', 5), ('b', 3), ('c', 1), ('d', 2)} B: [('b', 3), ('c', 1), ('d', 2), ('a', 5)] C: [('c', 1), ('d', 2), ('b', 3), ('a', 5)] D: [('a', 5), ('b', 3), ('c', 1), ('d', 2)]
- 下面程序的输出结果是（ ）。L=[('b', 3), ('c', 1), ('d', 2), ('a', 5)]L.sort()print(L) A: {('a', 5), ('b', 3), ('c', 1), ('d', 2)} B: [('a', 5), ('b', 3), ('c', 1), ('d', 2)] C: [('c', 1), ('d', 2), ('b', 3), ('a', 5)] D: [('b', 3), ('c', 1), ('d', 2), ('a', 5)]
- 1:2：5的结果是？ A: 1 3 5 B: 1 2 3 4 5 C: 2 3 4 5 D: 3 4 5
- 4-9下面代码的执行结果是( )。 a= [1,2][br][/br]a.append(3)[br][/br]a.insert(3,[4,5])[br][/br]print(a) A: [1, 2, 3, [4, 5]] B: [1, 2, 3, 4, 5] C: [1, 2, [4, 5] , 3] D: [1, 2, 3, 4, 5, 3]
- count=5while(count>1): print(count,end="") count-=1输出是什么 A: 1 2 3 4 5 B: 2 3 4 5 C: 5 4 3 2 1 D: 5 4 3 2