This example will upgrade the numpy package:.To upgrade a package use the command '$PIP install -upgrade -user '.If you wish to update a Python module you can do so with the '-upgrade' flag Confirm this action by typing ‘y' then Enter key. The command will ask for confirmation after listing the files to be removed.NOTE: You will be unable to remove packages installed directly on the system.For Python 3.6 this would be 'pip3.6 uninstall -user flask'.In this example using Python 2.7: 'pip uninstall - flask'.This example will remove the flask package.

To uninstall, or remove, a package use the command '$PIP uninstall '.Uninstalling/removing Python packages using Pip This will import the flask package and its dependencies if it has any.For Python 3.6 this would be 'pip3.6 install -user flask'.In this example using Python 2.7: 'pip install -user flask'.This example will install the flask package.

To install a package use the command '$PIP install -user ' where $PIP is the Pip Version command in the above table.

Flask is a package used for front-end Python web-development. In this example, flask will be installed and uninstalled. Note: The command python3 and pip3 currently map to python3.6 and pip3.6, respectively.

Install pip3