凯撒密码、GDP格式化输出、99乘法表

#九九乘法表
for a in range(1,10):
for b in range(1,a+1):
print(‘{}*{}={:2}‘.format(a,b,a*b),end=‘ ‘)

print(‘ ‘)

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

#凯撒密码
s=input("请输入字符:")

for i in s:
    print(chr(ord(i)+3),end=‘‘)