(Python 3) Write a Python program that will accomplish the following tasks: 1. Create an empty list named marks, Add the elements (100,200,45,75,56,35) to your list. 2. Add the element 50 at the...

(Python 3) Write a Python program that will accomplish the following tasks: 1. Create an empty list named marks, Add the elements (100,200,45,75,56,35) to your list. 2. Add the element 50 at the beginning  of the list. 3. Delete element last element from the list. 4. Display the element with the highest value. 5. Display average of the list elements.