s=input("请输入字符串:")
ans=""
a=[1,2,3]
for i in range(len(s)):
x=s[i]
key=a[i%3]
if"A"<=s[i]<="Z":
ans=ans+chr((ord(x)-65+key)%26+65)
else:
ans=ans+x
print(ans)
执行该程序后,输入"A1b2D3"输出的结果为( )
A.32b1BF | B.B1b2F3 | C.B3e3F6 | D.6F3e3B |
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