Some commands of pip - python package manager

In case you have the two python version installed in your system, using pip when you using python2.x and pip3 when using python3.

Installing

Using python 2.x:

$ sudo apt-get install python-pip

or, if you want to use python3:

$ sudo apt-get install python3-pip

Updating

pip

$ sudo pip install --upgrade pip

pip3

$ sudo pip3 install --upgrade pip

You can also use the above command to upgrade the pip packages, see:

$ pip install --upgrade package_name

Installing packages

pip

$ sudo pip install package_name

pip3

$ sudo pip3 install package_name

If you want install an especific package version, use the command like this example:

$ sudo pip install googlemaps==3.0.2

In case you already have this package installed, just upgrade it:

$ sudo pip install --upgrade googlemaps

Listing all of installed packages

pip:

$ sudo pip freeze

pip3

$ sudo pip3 freeze

Checking the pip version

pip

$ sudo pip --version

pip3

$ sudo pip3 --version

That's all folks!