linux 安装python

wget https://www.python.org/ftp/python/2.7.18/Python-2.7.18.tgz

tar vxzf Python-2.7.18.tgz

cd Python-2.7.18

yum install gcc g++ make

./configure

make && make install

ln -s /usr/local/python27/bin/python2.7 /usr/bin/python

ln -s /usr/local/python27/bin/python2.7 /usr/bin/python2

python --version && python2 --version