Python在字符串种嵌入值怎么实现？

>>> myscore = 1000

>>> message = 'I scored %s points'

>>> print(message % myscore)

I scored 1000 points

>>> nums = 'What did the number %s say to the number %s? Nice belt!!'

>>> print(nums % (0, 8))

What did the number 0 say to the number 8? Nice belt!!