PLAYERS = []


def list_players():
    if PLAYERS:
        print(PLAYERS)
    else:
        print("Roster is empty")


def add_player(name):
    PLAYERS.append(name)
    print(PLAYERS)


def change_player(name, new_name):
    if name in PLAYERS:
        current = PLAYERS.index(name)
        PLAYERS[current] = new_name
    else:
        print(name," Not in list")
    print(PLAYERS)


def remove_player(name):
    current = PLAYERS.index(name)
    del PLAYERS[current]
    print(PLAYERS)


menu_choice = 0
print("Welcome to the Player Roster")
while menu_choice != 9:
        print("-------Menu-------")
        print("1. Show Player List")
        print("2. Add a name to the list")
        print("3. Remove a name from the list")
        print("4. Change an Name in the list")
        print("9. Exit Player Roster")
        menu_choice = int(input("Pick an item from the menu: "))

        if menu_choice == 1:
            list_players()
        elif menu_choice == 2:
            name_inp = input("What is the new name: ")
            add_player(name_inp)
        elif menu_choice == 3:
            del_name = input("What name would you like to remove: ")
            remove_player(del_name)
        elif menu_choice == 4:
            old_name = input("What name would you like to change: ")
            new_name = input("What is the new name: ")
            change_player(old_name, new_name)
print("Have a Good Day")