【转载】Windows下安装pip
1、打开pip官网，官网连接：
pip · PyPI
The PyPA recommended tool for installing Python packages.
https://pypi.org/project/pip/#files
2、下载压缩包
【安装】Centos7安装Python3.X
全部操作都在root用户下执行
1.安装编译相关工具
yum -y groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel