A. 语法错 B. 4 C. 5 D. 6
A. [4,5,6] B. [0,5,6] C. [4,0,6] D. 以上都不对
A. print(s[0:-1]) B. print(s[-1:0]) C. print(s[:5]) D. print(s[:])
A. [‘a’,‘b’,‘c’] B. ‘c’,‘b’,‘a’ C. ‘a’,‘b’,‘c’ D. [‘c’,‘b’,‘a’]
A. [5,6,7,8],[1,2,3,4] B. [[8,7,6,5],[4,3,2,1]] C. [8,7,6,5],[4,3,2,1] D. [[5,6,7,8],[1,2,3,4]]
A. [[1,2,3],[4,5,6]] B. [[7,8,9]] C. [[1,2,3],[4,5,6],[7,8,9]] D. [[7,8,9],[4,5,6],[1,2,3]]