s="python" ; ans=" "
for i in range(len(s)) :
c=s[i]
if "a"<=c<="z" :
if i%2==1 :
c=chr((ord(c)-ord("a")+i )%26+ord("a"))
else:
c=chr(ord(c)-32)
ans+=c
print(ans)
执行该程序段后,输出的内容是( )
A.pYvHsN | B.PzTkOs | C.PaTlOt | D.PaTlOt |
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