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import random
a= [0]*9
i=0
while i<=8:
b=random.randint(1,20)
if i%2==0 and b%2==0 :
a[i]=b
i=i+1
elif i%2==1 :
a[i]=b
i=i+1
print(a)
执行程序段后，显示的内容不可能是 （ ）
| A．[16, 4, 8, 3, 14, 20, 4, 16, 12] |
| B．[20, 20, 20, 20, 20, 20, 20, 20, 20] |
| C．[2, 3, 4, 5, 6, 7, 8, 9, 10] |
| D．[20, 19, 7, 13, 4, 18, 14, 2, 14] |
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
