def AppendList():
# This function creates an empty list and allows the user to add an infinite amount of numbers.
    numberList = []
    # Above I create an empty list and store it as a variable called 'numberList'
    while True:
        newNumbers = input("Please enter a number to add to the list. To begin sorting your list, type 'sort'.\n ")
        # The above while loop allows the user to endlessly enter numbers until they break the loop by typing 'sort'.
        if newNumbers == "sort":
            BubbleSort()
            break
        while True:
            try:
                numberList.append(int(newNumbers))
                # Above I append the users inputted numbers to the list.
                print("This is how the list currently looks: " + str(numberList) + ",")
                return numberList
            except ValueError:
                print("The value you have entered cannot be added to the list. Please ensure you only enter whole numbers.\n")
                AppendList()
                return numberList

			[Program Response]
Welcome. What would you like the program to do?
1.Enter your name and append it to a text file
2.Enter a list of numbers and sort them
3.Exit the program
2
Please enter a number to add to the list. To begin sorting your list, type 'sort'.
 Alice
The value you have entered cannot be added to the list. Please ensure you only enter whole numbers.

Please enter a number to add to the list. To begin sorting your list, type 'sort'.
 123
This is how the list currently looks: [123],
No more swaps required.
[]
List of numbers appended to the text file 'NumberLists.txt'
Would you like to read the text file?
1.Yes
2.No