Help with Python Functions

Gerbol

Could anyone help me with this assignment?
Thank you so much for your hard work.

[b]ASSIGNMENT[/b]
Stadium Seating
There are three seating categories at a stadium. For a softball game, Class A seats cost $15,
Class B seats cost $12, and Class C seats cost $9. Write a program that asks how many tickets
for each class of seats were sold, and then displays the amount of income generated from ticket sales.