How to install Python’s Virtualenv

Since I made a post about how to install pip, I will show you have to take advantage of it about using a Virtual Environment. The Virtual Environment serves for the purpose of making a project while not changing anything in your system. You can use different versions of Python or packages by using virtualenv.

To install it we will use the command:

pip install virtualenv

To make use of virtualenv:

virtualenv venv

(this last is the name of your virtual environment, you can choose any name)

To activate:

source venv/bin/activate

or

. venv/bin/activate

To deactivate:

Yes you got it!

deactivate

If you installed pip with python2 and want to create a virtual environment to work with python3 you’ll have to use the following command:

virtualenv -p python3.x

If virtualenv was installed with Python3:

virtualenv -p python2.x

And there you have it! A configured Virtual Environment.

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