python3.7,需要更多的依赖库(加粗字体是额外需要的依赖库)
yum -y install zlib zlib-devel
yum -y install bzip2 bzip2-devel
yum -y install ncurses ncurses-devel
yum -y install readline readline-devel
yum -y install openssl openssl-devel
yum -y install openssl-static
yum -y install xz lzma xz-devel
yum -y install sqlite sqlite-devel
yum -y install gdbm gdbm-devel
yum -y install tk tk-devel
yum -y install gcc
yum -y install libffi-devel
yum -y install wget
wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz （py3.7的包，官网链接）
tar -xvf Python-3.7.0.tgz
cd Python-3.7.0
./configure --prefix=/usr/python3
make && make install
ln -s /usr/python3/bin/python3 /usr/bin/python3
ln -s /usr/python3/bin/pip3 /usr/bin/pip3
