plaincode=input(‘明文：‘)
print(‘密文:‘,end=‘‘)
for i in plaincode:
    print(chr(ord(i)+3),end=‘‘)

print(‘国家名称‘+‘ ‘+‘GDP总量(人民币亿元)‘)
print("{0: <10} ￥{1: >13,.2f}".format(‘中国‘,765873.4375))
print("{0: <10} ￥{1: >9,.4f}".format(‘澳大利亚‘,78312.4375))

for i in range(1,10):
    for j in range(1,i+1):
        print(‘{}*{}={:2}‘.format(j,i,i*j),end=‘ ‘)
    print(‘ ‘)