Installing a different version of Python in anaconda

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To install a different version of Python without overwriting the current version, create a new environment and install the second Python version into it:

• Create the new environment:

  • To create the new environment for Python 3.6, in your Terminal window or an Anaconda Prompt, run:

    conda create -n py36 python=3.6 anaconda
    
    

    NOTE: Replace py36 with the name of the environment you want to create. anaconda is the metapackage that includes all of the Python packages comprising the Anaconda distribution. python=3.6 is the package and version you want to install in this new environment. This could be any package, such as numpy=1.7, or multiple packages.

  • To create the new environment for Python 2.7, in your Terminal window or an Anaconda Prompt, run:

    conda create -n py27 python=2.7 anaconda
    
    
    

• Activate the new environment.

• Verify that the new environment is your current environment.

• To verify that the current environment uses the new Python version, in your Terminal window or an Anaconda Prompt, run:

  python --version