def example(firstargument, secondargument, thirdargument="N/A"):
    """ Prints a string based on the two arguments. """
    # This is python3.6 syntax:
#    print(f"{firstargument} is the first argument.")
    print("{} is the first argument.".format(firstargument))
    print("{} is the second argument.".format(secondargument))
    print("{} is the third argument.".format(thirdargument))


if __name__ == "__main__":
    """
    Some examples on simple functions.

    And docstring stuff that will probably have to be updated when I know more.
    """
    # You can just use parameters in order
    example("My first argument", "my second argument")
    # but better to use the names
    example(secondargument = "#2!", firstargument = "#1!", thirdargument = "#3!")