在Linux上安装Python3
参考资料:https://www.cnblogs.com/lemon-feng/p/11208435.html
yum -y gcc wget git vim install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel
cd /opt/
wget https://www.python.org/ftp/python/3.7.7/Python-3.7.7.tar.xz
mkdir -p /usr/local/python3
tar xvf Python-3.7.7.tar.xz
cd Python-3.7.7
./configure --prefix=/usr/local/python3
make
make install
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
vim ~/.bash_profile
PATH=$PATH:$HOME/bin:/usr/local/python3/bin # 修改这一行,新增全路径
source ~/.bash_profile
python3 -V
pip3 -V