data = [16, 7, 2, 17, 6, 18] data.sort(key = lambda x : len(str(x))) print(data)运行以上代码，程序输出结果是：

完成上述3题选择所需的操作，其中不包括 A: Data ⟶ Sort Cases B: Data ⟶ Restructure C: Transform ⟶ Compute Variable D: Data ⟶ Merge Files E: Data ⟶ Select Cases

已知有n个数据进行排序，下面能实现排序的是 A: data=[34,5,-6,12,87,29]data.sort() B: data=[34,5,-6,12,87,29]n=len(data)od=[]whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1 C: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[j]>data[j+1]:t=data[j]data[j]=data[j+1]data[j+1]=tj+=1i+=1print(data) D: data=[34,5,-6,12,87,29]n=len(data)i=0j=0whileiwhilejifdata[i]>data[j]:t=data[i]data[i]=data[j]data[j]=tj+=1i+=1

数据集a中包含了股票的代码信息变量 code和行业变量ind，数据集 b中包含了股票的代码信息变量 code和股票价格p，A同学想要将两个数据集合并。正确的方式是： A: data c; merge a b; run; B: proc sort data=a ;by code; proc sort data=b; by code;run; data c; merge a b; by code; run; C: data c; set a b; run; D: data c; merge a b; by code; run;

Endnote工具菜单中对文献进行排序和分析的是： A: Subject Bibliography B: Sort Library C: Library summary D: Data Visulazation

I was _________ hoping to leave early today. A: a sort of B: a kind of C: of a sort D: sort of

12 In the following sort algorithms, the sorting algorithm that is suitable for a large number of records keywords, but with a small number of keywords to be sorted is（ ）. A: cardinality sort B: quick Sort C: merge sort D: heap sort

I was hoping _______ to leave early today. A: a sort of B: sorts of C: sort off D: sort of

She isn’t beautiful. But she is ( ) pretty. A: a kind of B: a sort of C: sort of D: of a sort

3 There is a set of data (15, 9, 7, 8, 20, - 1, 7, 4), and the initial heap created by the heap sort filtering method is ( ). A: -1，4，7，8，20，15，7，9 B: -1，4，8，9，20，7，15，7 C: -1，7，15，7，4，8，20，9 D: None of the above options.