Identify the commands for the following list operations.

Check that there are no items in a list
Insert 10, 50, 30, 40, and 20 at the end of the list
Arrange the items in ascending order

a. IsEmpty(list)
Prepend(list, 10)
Prepend(list, 50)
Prepend(list, 30)
Prepend(list, 40)
Prepend(list, 20)
Sort(list)

b. Search(list)
Append(list, 10)
Append(list, 50)
Append(list, 30)
Append(list, 40)
Append(list, 20)
Sort(list)

c. IsEmpty(list)
Append(list, 10)
Append(list, 50)
Append(list, 30)
Append(list, 40)
Append(list, 20)
GetLength(list)

d. IsEmpty(list)
Append(list, 10)
Append(list, 50)
Append(list, 30)
Append(list, 40)
Append(list, 20)
Sort(list)