python计算年收益

# -------------------------------------------------------------------------------
# 计算年收益
# per_year_money 每年投资金额
# ratio 年化率
# year 总年数
# -------------------------------------------------------------------------------
def compute(per_year_money, ratio, year):
    if year == 1:
        return per_year_money * (1 + ratio)
    else:
        return (compute(per_year_money, ratio, year - 1) + per_year_money) * (1 + ratio)


# 每年投资金额
per_year_money = 600
# 年化率
ratio = 15 / 100
# 总年数
year = 10
for i in range(1, year + 1):
    print('第{}年'.format(i), '{} 元'.format('%.2f' % (compute(per_year_money, ratio, i))))