题目3单选题
已知x=10,y=20,z=30;以下代码执行后x、y、z的值分别为( ). if x < y: z = x x = y y = zA. 10,20,30B. 20,10,10C. 10,20,20D. 20,10,30
题目7单选题
在以下for语句结构中,( )不能完成1~10的累加功能A. for i in range(10,0):total += iB. for i in range(1,11):total += iC. for i in range(10,0,-1):total += iD. for i in (10,9,8,7,6,5,4,3,2,1):total += i