安装python3.7

yum -y groupinstall “Development tools” 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

yum install libffi-devel -y

wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz

tar -xvJf Python-3.7.0.tar.xz

mkdir /usr/local/python3 #创建编译安装目录

cd Python-3.7.0

./configure –prefix=/usr/local/python3

make && make install

ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3

ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3