def prepare_results(p, r, f):
    """
    Formats and reports the in thw following format: 
        {metric} {Precision} {Recall} {F1 score}  
    """
    return '\t{}:\t{}: {:5.2f}\t{}: {:5.2f}\t{}: {:5.2f}'.format(
            'metric', 'P', 100.0 * p, 'R', 100.0 * r, 'F1', 100.0 * f)