Printing empty stuff1 list : []

Printing the entire stuff2 list .........: [1, 2, 3, 4, 5, 6, 7, 8, 9]
Printing the first 2 elements of stuff2..: 1 and 2
Printing the first 2 elements of stuff2..: [1, 2]
Printing the number of elements in stuff2: 9

Printing the entire stuff3 list : ['Sam', 'John', 'Steve', 1, 2, 3]
After add, change and delete .. : ['Samuel', 'John', 'Jack', 1, 2, 3, 4, 'Bill']