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import random
a=[23,5,2,8,11,19]
x=random.randint(1,3)
for i in range(x):
for j in range(len(a)-1,i,-1):
if a[j] < a[j-1]:
a[j],a[j-1]=a[j-1],a[j]
print(a[0:4])
程序段执行后，输出的结果
| A．[2,23,5,8] | B．[2,5,23,8] | C．[2,5,8,23] | D．[2,5,8,11] |
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
