天天向上的力量

def dayUP(df):
    dayup = 1

    for i in range(365):

        if i % 7 in [6,0]:
            dayup = dayup*(1 - 0.01)
        else:

             dayup = dayup*(1 + df)
    return dayup
dayfactor = 0.01

while dayUP(dayfactor) < 37.78:

    dayfactor += 0.001
print("工作日的努力参数是：{:.3f} ".format(dayfactor))