What if python is pre-installed without pip in Ubuntu?

https://pypi.python.org/pypi/pip

wget https://pypi.python.org/packages/11/b6/abcb525026a4be042b486df43905d6893fb04f05aac21c32c638e939e447/pip-9.0.1.tar.gz#md5=35f01da33009719497f01a4ba69d63c9

tar -xzvf pip-9.0.1.tar.gz
cd pip-9.0.1
python setup.py install

wget https://pypi.python.org/packages/a4/c8/9a7a47f683d54d83f648d37c3e180317f80dc126a304c45dc6663246233a/setuptools-36.5.0.zip#md5=704f500dd55f4bd0be905444f3ba892c
unzip setuptools-36.5.0.zip
cd setuptools-36.5.0/
sudo python setup.py install