字符串操作

for i in range(12):
    print(9800+i,chr(9800+i))

id= '445221199803106993'
area = id[0:6]
birthday = id[3:10]
sex = id[-1]

print(area,birthday,sex)

if (int(sex) % 2 == 0):
    print('girl')
else:
    print('boy')

s=input('明文：')
for c in s:
    print(chr(ord(c)+3),end='')

s=input('密文：')
for c in s:
    print(chr(ord(c)-3),end='')