Python upgrade from 2.7.5 to 3.6.5

Python upgrade from 2.7.5 to 3.6.5
Studied: 51079633

wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
TAR-ZXVF python-3.6.5.tgz
CD Python-3.6.5
./configure
Make
sudo make install
sudo mv/usr/bin/python/usr/bin/python.bak
sudo ln-s/usr/local/bin/python3/usr/bin/python
sudo vi/usr/bin/yum
sudo vi/usr/libexec/urlgrabber-ext-down

For PIP Installation:

wget https://files.pythonhosted.org/packages/ae/e8/2340d46ecadb1692a1e455f13f75e596d4eab3d11a57446f08259dee8f02 /pip-10.0.1.tar.gz
TAR-ZXVF pip-10.0.1.tar.gz
sudo python setup.py install
PIP Install requests
Pip Install Pymysql
PIP List

Python upgrade from 2.7.5 to 3.6.5