凯撒密码、GDP格式化输出、99乘法表

plaincode=input(‘明文：‘)
print(‘密码：‘,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:‘‘<8}￥{1:‘‘>10,.2f}‘.format(‘中国‘,765873.4375))
print(‘{0:‘‘<8}￥{1:‘‘>10,.2f}‘.format(‘澳大利亚‘,78312.4375))

for x in range(1,10):
    for y in range(1,10):
        print(‘{0}*{1}={2}‘.format(x,y,x*y),end=‘\t‘)