s=“NBBL-521”
y=“”
for i in range(len(s)):
c=s[i]
if c>=“A”and c<=“Z”:
c=chr(ord(c)+1)
y=y+c
elif c>=“0”and c <=“9”:
c=chr(ord(c)-1)
y=c+y
else:
y=c+y
print(y)
A.OCCM-410 | B.OCCM-014 | C.410-MCCO | D.014-OCCM |
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