天天向上的力量

dayfactor=0.01
dayup=pow(1+dayfactor,365)
daydown=pow(1-dayfactor,365)
print("向上：{:.2f},向下：{:.2f}".format(dayup,daydown))

>>>向上：37.78,向下：0.03

dayup=pow(1.001,365)
daydown=pow(0.999,365)
print("向上：{:.2f},向下：{:.2f}".format(dayup,daydown))
>>>向上：1.44,向下：0.69

dayfactor=0.005
dayup=pow(1+dayfactor,365)
daydown=pow(1-dayfactor,365)
print("向上：{:.2f},向下：{:.2f}".format(dayup,daydown))

>>>向上：6.17,向下：0.16

dayfactor=0.01
dayup=1
for i in range(365):
    if i%7 in [6,0]:
        dayup*=(1-dayfactor)
    else:
        dayup*=(1+dayfactor)
print("向上：{:.2f}".format(dayup))

封装为函数：

def daydayup(dayfactor,dayup=1):
    for i in range(365):
        if i%7 in [6,0]:
            dayup*=(1-dayfactor)
        else:
            dayup*=(1+dayfactor)
    print("向上：{:.2f}".format(dayup))
daydayup(0.04)

def daydayup(df):
    dayup=1
    for i in range(365):
        if i%7 in [6,0]:
            dayup*=(1-0.01)
        else:
            dayup*=(1+df)
    return dayup
    # print("向上：{:.2f}".format(dayup))
dayfactor=0.01
while daydayup(dayfactor)< pow(1.01,365):
    dayfactor+=0.001
print("平时努力的因素是：{:.3f}".format(dayfactor))