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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 get_mimetype(path):
 """ Guesses the mime type of a file. If mime type cannot be detected, plain text is assumed. :param path: path of the file :return: the corresponding mime type. """

        filename = os.path.split(path)[1]
        mimetype = mimetypes.guess_type(filename)[0]
        if mimetype is None:
            mimetype = 'text/x-plain'
        _logger().debug('mimetype detected: %s', mimetype)
        return mimetype