Q.Write a program to allow user to perform any those list operation given in a menu. The menu is:

1. Append an element
2. Insert an element
3. Append a list to the given list
4. Modify an existing element
5. Delete an existing element from its position
6. Delete an existing element with a given value
7. Sort the list in the ascending order
8. Sort the list in descending order
9. Display the list.

myList = [22, 4, 16, 38, 13]  #myList having 5 elements
choice = 0
for attempt in range(3):
    print("Attempt number:", attempt)
    print("The list 'myList' has the following elements", myList)
    print("MENU\n1.Append an element\n2.Insert an element at the desired position\n"
          "3.Append a list to the given list\n4.Modify an existing element\n"
          "5.Delete an existing element by its position\n6.Delete an existing element by its value\n"
          "7.Sort the list in ascending order\n8.Sort the list in descending order\n9.Display the list")
    choice = int(input("ENTER YOUR CHOICE (1-9): "))
    if choice == 8:
        myList.sort(reverse=True)
        print("The list has been sorted in reverse order")
    elif choice == 5:
        pos = int(input("Enter position to delete: "))
        print("The element", myList[pos], "has been deleted")
        del myList[pos]
    else:
        print("Choice is not valid")

Output:

Attempt number: 0
The list 'myList' has the following elements [22, 4, 16, 38, 13]
ENTER YOUR CHOICE (1-9): 8 …

myList = [22, 4, 16, 38, 13]  #myList having 5 elements
choice = 0
for attempt in range(3):
    print("Attempt number:", attempt)
    print("The list 'myList' has the following elements", myList)
    print("MENU\n1.Append an element\n2.Insert an element at the desired position\n"
          "3.Append a list to the given list\n4.Modify an existing element\n"
          "5.Delete an existing element by its position\n6.Delete an existing element by its value\n"
          "7.Sort the list in ascending order\n8.Sort the list in descending order\n9.Display the list")
    choice = int(input("ENTER YOUR CHOICE (1-9): "))
    if choice == 8:
        myList.sort(reverse=True)
        print("The list has been sorted in reverse order")
    elif choice == 5:
        pos = int(input("Enter position to delete: "))
        print("The element", myList[pos], "has been deleted")
        del myList[pos]
    else:
        print("Choice is not valid")

Output:

Attempt number: 0
The list 'myList' has the following elements [22, 4, 16, 38, 13]
ENTER YOUR CHOICE (1-9): 8 …