##function of the system
This project is about a simple car rental system which asksfor a clients details,the car details they need and generates a simple text to show all that which can be used for reference during returning of the car or to check which car has been rented by who.
##its helpfulness
The system will help in managing of the inventory you have and make renting out easier and a bit more accurate.
##classes
1.carrental
2.customer
3.rental agency
##1.carrental
-this is a public class with some private strings for encapsulation
-asks for car details
-it has a function compute
##2.customer
-has some variables and a function input
-asks for customers details
##3.rentalagency
-has a function calculate called at line 77
-analyses the given data and outputs some info