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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def force_move(source, destination):
 """ Force the move of the source inside the destination even if the destination has already a folder with the name inside. In the case, the folder will be replaced. :param string source: path of the source to move. :param string destination: path of the folder to move the source to. """

    if not os.path.exists(destination):
        raise RuntimeError(
            'The code could not be moved to {destination} '
            'because the folder does not exist'.format(destination=destination))

    destination_folder = os.path.join(destination, os.path.split(source)[-1])

    if os.path.exists(destination_folder):
        shutil.rmtree(destination_folder)
    shutil.move(source, destination)