• 2022-10-27
    下面程序的输出是 。data=[]for i in range(3): data.append([0]*3)data[2][2]=7print(data[0][2])
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      下面程序运行结果为(______ )data = [2, 3, 5, 8, 13]new_data = [ ]for i in range(20, 1, -3): if i not in data: new_data.append(i)print(new_data)

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      以下程序的输出结果是: ls=[[1,2], 'python', [[3,4,'A'],5],[0,7]] print(ls[2][1]) A: 'A' B: p C: 3 D: 5

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      若int a[][]={{123,345,60},{34,56},{34,56}},则a[2][1]+a[0][2]= ______

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      已知 vec = [[1,2], [3,4]],则表达式 [[row[i] for row in vec] for i in range(len(vec[0]))]的值为______________()_________。[/i] A: [1, 2, 3, 4] B: [[1, 2, 3], 4] C: [[1, 3], [2, 4]] D: [1, 2, [3, 4]]

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      已知 vec=[[1,2],[3,4]],则表达式[[row[i] for row in vec] for i in range(len(vec[0]))]的值为( )[/i]