MacOS安装jieba库，安装过程没有问题特别顺利，验证jieba库时找不到，电脑系统是12.2.1
Python版本是3.9.7
pip3 install jieba -i https://pypi.douban.com/simple/
或者
pip install jieba -i https://pypi.douban.com/simple/
MacOS使用不了pip可以参考一下：
https://viatorsun.blog.csdn.net/article/details/108577601?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-108577601-blog-108711714.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1-108577601-blog-108711714.pc_relevant_default&utm_relevant_index=2