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s="wz19Lht"
result=ch=""
flag=True
for i in range(len(s)):
ch = s[i]
if 'a'<=ch<='z':
if flag:
ch=chr(ord(ch)-ord('a')+ord('A'))
flag = not flag
elif '0'<= ch <='9':
ch = str((int(ch)+1)%10)
result = ch+result
print(result)
| A．Wz02LHt | B．tHL02zW | C．WZ02LHT | D．THL02ZW |
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
