https://blog.csdn.net/abc_138/article/details/78608609

delete(first,last=None) --删除参数first到last范围内(包含first和last)的所有内容 --如果忽略las...

https://blog.csdn.net/jin_kwok/article/category/7611165 https://blog.csd...

https://blog.csdn.net/colourful_sky/article/details/76114508

https://blog.csdn.net/sinat_41104353/article/details/79266048

https://blog.csdn.net/u014798502/article/details/78161728?utm_source=blo...

https://blog.csdn.net/ChowYoungyoung/article/details/78879926?utm_source...

关于这个的用法，网上查了很多。 还是这篇简单易懂 https://www.cnblogs.com/aland-1415/p/6613449.ht...