实例3：天天向上的力量
每天进步一点！！！！！
# DayDayUpQ1.pydayup = 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.pydayfactor = 0.005dayup = 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 = 1.0dayfactor = 0.01for 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.pydef dayUp(df): # 定义函数dayup = 1for i in range(365):if i % 7 in [6,0]:dayup = dayup * (1 - 0.01)else:dayup = dayup * (1 + df)return dayupdayfactor = 0.01while dayUp(dayfactor) < 37.78:dayfactor += 0.001print("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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