install python-pip code example

Example 1: installing pip

python -m pip install --upgrade pip

Example 2: install pip

#Install pip for python 2.7
curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
sudo python2 get-pip.py

#Install pip3
sudo apt install python3-pip

Example 3: python pip install

## To install Pip, first download get-pip.py from:
https://bootstrap.pypa.io/get-pip.py
  
## Then run the following command in the command line
## in the folder where the file has been saved.
python get-pip.py