Python实例3：天天向上的力量

实例3：天天向上的力量

每天进步一点！！！！！

# DayDayUpQ1.py
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

# 千分之五和千分之一的力量
# DayDayUpQ2.py
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

# DayDayUpQ3.py  
dayup = 1.0
dayfactor = 0.01
for i in range(365):
    if i % 7 in [6, 0]:
        dayup = dayup*(1-dayfactor)
    else:
        dayup = dayup*(1+dayfactor)
print("工作时间的力量：{:.2f}".format(dayup))

工作时间的力量：4.63

# DayDayUpQ4.py
def dayUp(df):   # 定义函数
    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))

工作日的努力参数是：0.019

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