CentOS7.7安装python3.8.2与pip20

#  yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make
 
#  yum install libffi-devel -y

#  建立新目录
#  sudo mkdir /usr/local/python3 
 
# 下载安装包
#  wget --no-check-certificate https://www.python.org/ftp/python/3.8.2/Python-3.8.2.tgz
 
#  解压安装包
#  tar xzvf Python-3.8.2.tgz
 
#  cd Python-3.8.2
 
#  编译安装
#  sudo ./configure --prefix=/usr/local/python3

#  sudo make 

#  sudo make install

#  删除默认Python软连接
#  rm /usr/bin/python       

#  创建软链接                               
# sudo ln -s /usr/local/python3/bin/python3 /usr/bin/python

#  python -V

#  /usr/bin/python -m pip install --upgrade pip

#  或者下载安装脚本
#  curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

#  执行安装脚本
#  python get-pip.py

# pip -V