• 2022-06-17
    以下程序输出的文件中,内容为()fo = open("text.csv", 'w') x = [ [90, 87, 93], [87, 90, 89], [78, 98, 97]] b = [] for a in x: for aa in a: b.append(str(aa)) fo.write(",".join(b)) fo.close()
    A: 90,87,93,87,90,89,78,98,97
    B: [[90,87,93],[87,90,89],[78,98,97]]
    C: [90,87,93,87,90,89,78,98,97]
    D: 90,87,93 87,90,89 78,98,97