A=input(“请输入一个整数”) #输入123print(A*3)该代码的执行结果为:
A. 369
B. 123123123
C. 1233
D. 报错
输入三角形的三条边a,b,c,则判断是否构成三角形的判定条件为()
A. a+b>c and a+c>b and c+b>a
B. a+b>c or a+c>b or c+b>a
C. a+b>c
D. a+c>b
已知aList = [3, 4, 5, 6, 7, 9, 11, 13, 15, 17]则aList[::-1]的结果为:
A. [3, 4, 5, 6, 7, 9, 11, 13, 15, 17]
B. [17, 15, 13, 11, 9, 7, 6, 5, 4, 3]
C. [17]
D. []
已知aList = [3, 4, 5, 6, 7, 9, 11, 13, 15, 17]则aList[1::2]的结果为:
A. [4, 6, 9, 13, 17]
B. [3, 4, 5, 6, 7]
C. [3, 4]
D. [3,6,11,17]