def createGreat(my_msg='Great stuff!'):
    """
    Useful explanation here for docstrings. Try to follow these conventions:
    https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt#id5
    See the next function as a docs example (taken directly from the IDE
    Spyder).
    """
    great = my_msg
    print(great)
    return great
