python学习 第三个程序 天天向上

# DayDayUp.py
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))