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p = "Call-168"
c = " "
for ch in p:
if ch >= "0" and ch <= "9":
c += str(9-int(ch))
elif ch >= "a" and ch <= "z":
c += chr(ord(ch) - ord("a")+ord("A"))
else:
c += ch
print(c)
程序运行后，输出的结果是（ ）
| A．cALL-168 | B．CALL-168 | C．call-168 | D．CALL-831 |
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
