Person's Name Record Keeping App in Python

 A program that will ask the person's name and it will allow the user to sort the person's name using ascending and descending order using Python programming language.

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Program Listing
import sys
data = []

class RecordKeepingApp:
    def __init__(self, choice):
        '''Takes 1 parameter. Returns an input asking to try again.'''
        self.choice = choice
        data.append(choice)
        cont = input("Try again? yes/no: ").lower()

        if (cont.lower() == "yes"):
            pass
        elif (cont.lower() == "no"):
            print()
            print("How do you want to display the list of names?")
            print("[A] - Ascending Order")
            print("[D] - Descending Order")
            display = input("Enter your choice: ").upper()

            if (display == "A"):
                data.sort()
            elif (display == "D"):
                data.sort(reverse=True)
            else:
                print("Your choice is not valid")

            print()
            print("*************************************")
            print("*           LIST OF NAMES           *")
            print("*************************************")
            for index, item in enumerate(data):
                print('{}: {}'.format(int(index)+1, item))

            print("Total number of names inputted is ", len(data))
            sys.exit("\n\n")
        else:
            print("Invalid response. Please try again.")

        print()

print("*************************************")
print("*   Welcome to Record Keeping App   *")
print("*************************************\n")

while True:
    selection = input('Enter a name: ')
    RecordKeepingApp(selection)