Use PIP and the command line to install the required Twitter and Watson Developer Cloud Python packages.

Using PIP

Let's make sure that the packages installed properly. 

The easiest way to check is by running the following command in the terminal:

```shell
pip freeze
``` 

This commands displays the installed Python packages.

If everything installed correctly, you should see a list of all the packages that are installed, which should include `python-twitter` and `watson-developer-cloud`.

Verifying Installs

The **Celebrity Match** application we're building requires a couple of Python packages to be installed. We'll use these packages in our code

To install the packages required for this project, we will need to use a package manager.

<a href="https://en.wikipedia.org/wiki/Pip_(package_manager)" target="_blank">Pip</a> is the package manager used to install Python packages. It looks up packages in the Python Package index (PyPi). PyPi is the official third party repository for Python packages. 

In the terminal, we'll use the `pip` command to install the following necessary packages for this project:

1. `python-twitter`
2. `watson-developer-cloud`