write a python code for $-$ A bank has a promotional account for students during O week. Any student who signs up to

the account will receive $$60$ gift in their account and will be awarded with a $0\mathrm{.}75\%$

introductory monthly interest rate for the first $6$ months. The interest rate will be scaled

back to $0\mathrm{.}5\%$ after the introductory period.

A student opened an account and deposited $$100$ upon opening the account. They

committed to depositing $$70$ each month for a whole year. How much money do they have

in their account at the end of the year?