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To install a specific version of a package You should consider upgrading via the 'pip install -upgrade pip' command. You are using pip version 10.0.1, however version 18.1 is available. This allows you to install a specific module per project without worrying about the module affecting other Python projects. a virtual environment creates an isolated environment for several python projects. When installing python modules, it's recommended that you do so in virtual environments. Now that we have seen how to install various versions of pip in different python environments, it's time to see how we can use it to install, upgrade and uninstall packages. Output # pip 10.0.1 from /usr/local/lib/python2.7/dist-packages/pip (python 2.7) Using pip in package management To verify the installation of pip, run # pip -version

If you wish to install Python2 and pip for Python 2 run the following commands Update the system # sudo apt-get update Install pip for python2 # sudo apt-get install python-pip Checking the version of pip Python2 is not installed by default on Ubuntu 18.04. Output pip 8.1.1 from /usr/lib/python3/dist-packages (python 3.5) Install pip for Python2 on Ubuntu