$1.$ Class DefinitionsModify the Medication and Customer classes you created in phase $1$ and create new classis as needed based on the following:Medication ClassAttributes:Medication ID $($ generated sequentialy$)$Medication NamedescriptionPriceQuantity in StockExpiry Date $($Of Type Date$)$barcodeMethods:Constructor$($s$)$ to initialize medication attributes.Setters and gettersDisplay information about medication. Date ClassAttributes:DayMonthYearMethods:Constructor$($s$)$ to initialize date attributes.Setter$($s$)$ and getter$($s$)$Display date information in the format day$/$month$/$year Customer ClassAttributes:Customer NameCustomer ID $($generated sequentialy$)$Phone number$($string$),$ Address $($string$)$Customer address $($of type Address$)$Methods:Constructor$($s$)$ to initialize customer attributes.Setters and gettersDisplay customers information Address ClassAttributes: Email CityMobile NoStreet NameMethods:Constructor$($s$)$ to initialize address attributes.Setter$($s$)$ and getter$($s$)$Display address information in proper way Pharmacy ClassAttributes: Pharmacy ID $($constant and generated sequentialy$)$ Pharmacy nameset of medications $($max size $50)$set of Customers $($max size $50)$Methods:Add a new medication to the inventory.Remove medications from the inventoryAdd a new customer to the list.Display a list of available medications.Display a list of customers Add any other functions you think is important to compare pharamcy objects together $($such as number of medications, number of customers, total cashetc.$)$ Notes: Dont use dynamic memory allocation in this phase $2.$ User InterfaceCreate a simple text$-$based user interface that allows users to interact with the pharmacy management system. You should provide a menu with options for performing operations as follows: Add a new pharmacy $($up to $10)$ Add medication$($s$)$ for each pharmacys inventory Add customer$($s$)$ for each pharmacy Display list of medications $($including all of their information$)$ for a pharmacy Remove a medication from a pharmacy Display list of customers $($including all of their information$)$ for one pharmacy Test all functions you have defined in your classes