将python 3.8 yum-yinstallyum-utils yum-builddeppythoncurl-o https://www.python.org/FTP/python/3.8.0/python-3
设置python的默认版本vi /etc/profile.d/python.sh #以编辑用户的自定义配置，并使用alias参数alias python='/usr/local/关怀alias参数
pip wget https://bootstrap.pypa.io/get-pip.pypythonget-pip.py-I https://pypi.tuna.Tsinghua.edu.cn/simple /