以下类方法定义正确的是（） A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item) B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item) C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item) D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)

程序执行时输入12和34，结果如下所示，那么print（）函数正确的调用形式是（ ）请输入x:12请输入y:34x= 12 y= 34 A: print("x=",x ; "y=",y) B: print("x=",x,"y=",y) C: print(x,y) D: print(x=,x,y=,y)

Python中，input()函数的使用不正确的是？ A: name = input() print(name) B: name = input("请输入你喜欢人的名字：") print(name) C: name = "请输入你喜欢人的名字：" print(input(name)) D: temp = input("请输入一个整数：") print(temp+2)

以下函数的正确调用语句是（ ）。int fun(int n){ int sum=0; while(n>0) { sum=sum+n; n--; } return sum;} A: printf("%d",fun(5)); B: printf("%d",fun(int 5)); C: printf("fun(5)"); D: printf("%d",int fun(int 5));

以下不能输出Program的语句是______。 A: Print Mid("VBProgram",3,7) B: Print Right("VBProgram",7) C: Print Mid("VBProgram",3) D: Print Left("VBProgram",7)