You have a list named "final exam", it has 20 floating point numbers stored in it. You want to add 30 to the 5th element. Write a line of code that accomplishes this. Reminder: This is an auto-graded question. Do not have spaces in your solution. Question 6 4 pts A variable that stores a string is named "final". It stores my last name "Dencker". Write the substring command that gives part of the string. In this case: "enck". HINT: This problem does not ask you to print or save the value. Just the command. You only need to write the command. Do NOT save it. Just write the command that gives you the substring. I