linux下的python3安装

wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tgz
tar -zxvf Python-3.7.4.tgz
cd Python-3.7.4
yum install libffi-devel zlib-devel bzip2-devel openssl-devel zlib readline-devel gcc gcc-c++
./configure --prefix=/usr/local/python3 --enable-optimizations
make
make install
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3