待补全程序代码如下:
n = int(input("请输入学生总人数:"))
sum = 0
for i in range(①):
t = input("输入选科编号:")
if t == "2022035":
sum=②
print("选物理学生人数为:",sum)
下列正确答案是( )
A.①应为 n ,②应为 sum+ 1 | B.①应为 n+ 1 ,②应为 sum | C.①应为 n ,②应为 i+1 | D.①应为 n+ 1 ,②应为 t+1 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2