1。f.string字符串
它的學名叫作 “Literal String Interpolation”。用法如下：
>>>defupper(s): ... returns.upper() ... >>>stock= ‘tsmc‘ >>>close= 217.5 >>>f‘{stock} price: {close}‘ ‘tsmc price: 217.5‘
还可以：
>>>f‘{upper(stock)} price: {close}‘ ‘TSMC price: 217.5‘ >>>
原文：https://www.cnblogs.com/a-cloud---/p/10758710.html