python --字符串格式化、替换

字符串格式化--format()方法

https://blog.csdn.net/i_chaoren/article/details/77922939

字符串的替换

https://blog.csdn.net/August1226/article/details/80983498?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduend~default-1-80983498.nonecase&utm_term=python%E5%AF%B9%E7%A9%BA%E5%80%BC%E8%BF%9B%E8%A1%8C%E6%9B%BF%E6%8D%A2&spm=1000.2123.3001.4430