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 |
A.14 | B.15 | C.-21 | D.-18 |
值(十进制) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
加密字符 | I | l | i | k | e | C | H | N | P | o | s | t | c | a | r | d |
②_________
③_________
A.pYvHsN | B.PzTkOs | C.PaTlOt | D.PaTlOt |
A.4 | B.[3,4] | C.5 | D.[5,6] |
A.ASCII码同一字母其大小写的内码值相差20H |
B.图中共有4个ASCII字符 |
C.ASCII字符“j”的内码用十六进制表示是:70 |
D.图中字符“!”的内码用二进制表示是:10100001 |