Detailed steps to install python3.7 on CentOS6.5

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

[root@mycentos ~]# tar -xzvf Python-3.7.0.tgz

[root@mycentos ~]# mkdir /usr/local/python3

[root@mycentos ~]# yum install -y libffi-devel

[root@mycentos ~]# cd Python-3.7.0
[root@mycentos ~]# ./configure --prefix=/usr/local/python3
[root@mycentos ~]# make
[root@mycentos ~]# make install

[root@mycentos ~]# ln -s /usr/local/python3/bin/python3 /usr/bin/python3

[root@mycentos ~]# python3 -V

Python 3.7.0