python关键字参数的多种使用

overspeed_rate(min=80, max=100, current=100)

>>> overspeed_rate(min=80, max=100, current=100)

0

def echo(string, **keywords):

    print(string)

    for kw in keywords:

        print(kw, ":", keywords[kw])

>>> echo(‘hello’, today=‘2019-09-04’, content=‘function’, section=3.6)