Jupyter Notebook in Anaconda error: I couldn't find a kernel matching Python 2. Please select a kernel:

If you set up Anaconda with Python 3.x and run into issues when trying to run a Python 2 notebook, this is what worked for me:

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    conda create --name whatevername python=2.7 numpy pandas matplotlib
    source activate whatevername
    conda install ipykernel
    python -m ipykernel install --user
    jupyter notebook &