Make a python program.

You have moved to Melbourne to start your life and decide to get into the property market as soon as possible. The house price is h igh and you want to save the money for some years $($months$)$ before you could afford the down$-$payment $($initial payment$)$ of the house. In this part, we will program to calculate how long you need to save for make the payment of the house.

There are few rules $($variables$)$ you need to define to calculate:

$$ Call the cost of your home total$\_$cost$.$

$$ Call the portion of the cost needed for a initial payment portion$\_$down$\_$payment. For simplicity, assume that portion$\_$down$\_$payment $=0\mathrm{.}15(15\%).$

$$ Call the amount that you have saved so far as current$\_$savings. You start with a current savings of $0.$

$$ Assume that you invest your current savings wisely, with an annual return of r $($in other words, at the end of each month, you receive an additional current$\_$savings $$ r$/12$ funds to put into your savings $$ the r is an annual rate$).$ Assume that your investments earn a return of r $=0\mathrm{.}04.$

$$ Assume your annual salary is annual$\_$salary.

$$ Assume you are going to dedicate a certain amount of your salary each month to saving for the down payment. Call that portion$\_$saved. This variable should be in decimal form.

$$ At the end of each month, your savings will be increased by the return on your investment, plus a percentage of your monthly salary $($annual$\_$salary$/12).$