1. yum -y install wget &&
    2. yum -y groupinstall "Development tools" &&
    3. 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 &&
    4. wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz &&
    5. mkdir /usr/local/python3 &&
    6. tar -xvJf  Python-3.7.4.tar.xz &&
    7. cd Python-3.7.4 &&
    8. ./configure --prefix=/usr/local/python3 &&
    9. make && make install &&
    10. ln -s /usr/local/python3/bin/python3 /usr/bin/python3 &&
    11. ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3 &&
    12. sudo yum -y install epel-release &&
    13. sudo yum -y install python-pip
    1. 将以上代码粘贴到python374.sh文件并保存
    2. 在该文件目录下执行命sh python374.sh
    3. 可执行以下pip3 install --upgrade pip来升级一下pip3，即便此处不升级，后面使用pip时会提示使用该命令升级