积跬步至千里,积小流成江海

 

a = 1
b = 1
c = 1
d = 1
for i in range(365):
    # 每一天都很努力,一年下来变化很大
    a *= 1.01
    # 每一天都很松懈,一年下来差距同样很大
    b *= 0.99
    # 在努力一点量变引起质变
    c *= 1.02
print("a =" + str(a))
print("b =" + str(b))
print("c =" + str(c))

for i in range(365):
    # 三天打鱼两天晒网一年下来
    if (i <= (365 / 5 * 3)):
        d *= 1.01
    else:
        d *= 0.99
print("d =" + str(d))

 运行效果: